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Training manualTrouble Shooting

SCC Line Self Cooking Center - Combi Master

- 2 - V03 EN, Trouble Shooting

General hints:

Isolate the appliance from mains supply before opening the appliance

When working with chemicals, i.e. aggressive cleaning materialsalways wear protective clothing, goggles and gloves!

After maintenance / repair the appliance must be checked for electric safety in accordance with your national, state and local requirements!

Whenever working on any gas component like:Gas valve, gas blower and / or changing connected type of gas a detailed

flue gas analysis MUST be done using adequate CO and CO2 measuring equipment! This shall ONLY be done by trained technicians!

Always check appliance for possible gas leakages!


Trouble shooting

Fault tree

Miscellaneous

Main Fan Motor SCC Line 4Humidity Control SCC / CM 6Clima Valve SCC Line 8Cleanjet +Care 10Solid State Relais - SSR 12SCC - Main Printed Circuit Board (PCB) 42.00.002 14SCC - Software 16Bus Control 18Gas 20

Selftest 22Service 10 (SC Pump) 23Service 11 (CDS Sensor) 24Service 25 (Cleanjet Pump) 25Service 26 (Drain Valve) 26Service 27 (Drain Valve) 26Service 32 (only gas unit) 27Service 34 (Bus) 27Service 40 (Care Pump) 28Service 41 (Y3 Moistening solenoid) 29Service 42 (Y4 Care solenoid) 30Service 43 (triple solenoid valve) 31Service 44 (Steam Heating) 31Service 100 (Main Contactor) 32Service 110 (SC-Pump) 32Service 120 (Y1 Filling solenoid, Level electrode) 33No display - safety circuit - SCC 34No or too low steam production - SCC 35Service 12 / Indication descaling - SCC 36Buzzer sounds - SCC 37„RESET“ indication (Gas units) - SCC 38Check polarity (Gas units) - SCC 38Indication „E13“ (SC-Automatic) - CM 39No function- safety circuit - CM 40No Steam - CM 41Indication „rES“ (=reset) - CM 42CHnG POL (check polarity) - CM 42Buzzer sounds - CM 43

Circuit diagram Power Circuit 45SCC Service Reference 50CM Service Reference 52


Fan Motor SCC Line

Fan Motor SCC Line 40.00.274 1NAC 100-240V (L1, N, PE) 40.00.276 3AC 400-480V (L1, L2, L3, PE)

1. Standard operation

The green LED shows when power is supplied from the secondary side main contactor.

The running signal is coming via BUS connection from the main PCB (CM) or I/O PCB (SCC). This signal also determines the speed of the motor.The motor speed differs depending on the unit size the motor is build in (examples):CM: 1800 (450) rpm (all sizes)SCC 61: 500 – 1900 rpm SCC 202: 500 – 2200rp

The BUS cable (RJ45 connection) can be connected to either the left or right RJ45 socket.

The motor is shipped with the motor shaft gasket (22.00.083), an optional jumper (40.01.581) and a venting pipe con-version kit 87.00.325.

In floor models 201 and 202 two motors of the same kind are used. In this case the upper motor must get the jumper onto the right two pins as indicated.

2. Mounting sequence:

When mounting a new motor please observe the following mounting sequence:

When fitting a new motor ALWAYS use a new motor shaft gasket (which is supplied with the motor)! Fix the motor bolts first hand-tight only, followed by the new gasket in its mounting ring very loose, now tighten the motor bolts: This allows the gasket in its bracket to center itself before you tighten the 4x flat 10mm nuts 1106.0220 of the gasket mounting ring.

Make sure the off-centered hole in the holding frame is mounted in 12 o’clock position.

Only with this sequence you assure that the motor shaft gasket is mounted centered.

The fan wheel screw must be tightened with torque 38 Nm.

NOTE: After mounting the motor and fan wheel the unit must be newly calibrated for humidity.


3. Possible fan motor problems

• Bus connection: CM shows error code E12; cabinet temp. display shows 1 ST: Motor bottom short circuit CM shows error code E12; cabinet temp. display shows 1 CO: Bus problem bottom motor

2 ST and 2 CO refer to the upper motor.

SCC shows Service 34.2 Bus problem bottom motor SCC shows Service 34.4 Bus problem upper motor

If bus connection problem is indicated, change RJ45 connection position first (left – right). If Indication chan-ges from 1CO to 2CO or 34.2 to 34.4., change fan motor, otherwise change bus cable (40.00.472)

• Motor doesn’t turn at all: Green LED is not ON. Check secondary side of main contactor.

Note: LED is located at bottom left hand corner of motor behind the hose from the Self Clean pump.

• Power on main contactor ok, LED does not show. Disconnect power plug from Motor and check if power is present at plug. If yes, motor has developed short circuit. Most likely reason: Water caused by condensation dropped onto motor.

• Check if the venting pipe above the motor is made of stainless steel pipe or silicone hose. If it is silicone hose replace by modification kit 87.00.325 (TI 12/2007) supplied with the motor.

• When mounting the venting pipe make sure to have it centered under the mounting hole in the unit cover to avoid water damage from this position.

• For bottom motor install collector plate 40.02.481. This collector plate is used in all units since 09/2007.

For top motor install protection plate 40.03.387 (refer to modification instruction MI0907). •

• In case the plug of the power supply cable fan motor is damaged it can be replaced using the repair kits 40.02.611 (3 pole plug) or 40.02.612 (4pole plug)

• LED blinking code: The LED might show in a blinking manner. Please refer to below table:

Reason Remedy1 Motor doesn’t start, no signal from hallsensor Check for motor blockage or change motor.2 Voltage too low on motor pcb Check supply voltage or change motor.3 Voltage too high on motor pcb Check supply voltage or change motor.4 rpm measurement defective Change motor.5 Motor pcb temperature >105°C Check cooling system (cooling fan, air filter), otherwise change motor6 Supply voltage <80V Check power supply (F1-F2)7 Motor pcb defective Change motor.8 Motor pcb defective Change motor.


1. Humidity control SCC

Humidity is permanently controlled inside the cabinet. 3 values are used for this control:

- Temperature of the cabinet is measured by thermocouple B4 (located behind motor mounting plate) - Fan motor speed (controlled and measured by Bus cable from Motor to PCB)

- Voltage signal from pressure sensor P1 The voltage signal is higher when the fan motor is running at higher speed. There is no humidity control possible when the motor is not turning at all. At any specific given fan motor speed:

The voltage signal of P1 is at its highest when the cabinet is cold and dry. The voltage signal of P1 is at its lowest when the cabinet is hot and moist. An average voltage signal for a dry and cold climate (40°C) at standard fan speed (1800rpm) would be between 2,8 and 3,2 Volt. This can be seen in Diagnostic mode 15 as output voltage.

In Steam Mode humidity is set to 100% and generated by the steam generator. Humidity can NOT be adjusted in Steam mode. In Combi mode humidity is set default to 90% but can be manually changed between 0% and 100%. Humidity is generated by the steam generator and the food. In Hot Air mode humidity is generated by the cooking food ONLY. This value is set default to 100% and can be limited to any value between 0% and 100%

2. Operational sequence (in general) When the CPU detects that the actual humidity is above the set level, the steam heating elements will be de-energised. The clima valve will open. Dry air is sucked into the cabinet and displaces the moist air through the cabinet drain. After the humidity level falls under the set level the clima valve will close again and steam will be generated if needed.

3. Humidity calibration SCC units with index G (produced since October 2008) will automatically run a self test when they are installed at the customer site. To run this self test the temperature of the unit (sensors B1, B2 and B4 must be below 40°C (104°F). During this self test the humidity values for a cold and dry climate and the humidity values under steam condi-tion will be evaluated in default fan speed (i.e. SCC 101: 1800 rpm). Values for other fan speeds and Combi mode are derived from these and can be identified in Diagnostic 16 by a value which can be divided by 100. Units which are predominantly used for baking must be manually be calibrated at the customer site. Manual calibration is done in service level, Basic settings 1.1 To start manual calibration the temperature of the unit must be below 40°C (104°F). The cabinet should be clean and dry. The cabinet space should be divided into 3 (floor units: 4) sections. To do so use 20mm closed containers - no grids!- and place them upside down onto rack level 3 and 7 (floor unit: trolley level 3, 10 and 17) Close the door and press start.

Humidity Control SCC / CM

RPMB4

P1


4. Possible humidity control problems

General Humidity control problems: • - Pipes and hoses from cabinet to Pressure sensor P1 might be blocked with fat or dirt particles. - Water might block the hoses leading to the pressure sensor P1; - Temperature of Quenching sensor B2 must react directly to cold water spray when quenching is active; if temperature remains high check positioning of quenching nozzle to quenching sensor. This can be checked by operating steam mode and observing the quenching sensor B2 in Diagnostic mode 2. - The silicone hose connections to the pressure sensor are as follows: The hose connecting closer to the center of the motor shaft is connected closer to the center of pressure sensor P1.

Vent pipe might be extended locally to avoid steam condensation under ceiling. • Such extension shall only be done when an air gap is provided. Use condensation breaker part number 8710.1309 for units 61, 101 and 62. At present there is no air break connection available for 102, 201 and 202.

Unit is permanently quenching when in any steam mode • Check clima valve for proper closed status. If clima valve leaks air into the cabinet unit will run into humidity emergency control. In this case the quenching sensor is responsible for humidty control (like in CM units). In this case you will find a ring or solid circle behind function key - Model type. This circle can also be visible in other cooking modes.

Customer complains about steam not being visible inside the cabinet • Check if temperature is above 110°C (230°F). At this temperature steam is invisible. Caution: Danger of scald-ing if door is opened. In an empty cabinet at 100°C steam will disappear because there will be no demand for humidity after some time.

Some humidity values in Diagnostic mode 16 show „0“ or „85000“ • Unit must be manually calibrated

When changing Thermocouple B4 (SP # 40.00.399) make sure the insulation is covering the mounting position • again properly.

Customer with baking application complains about uneven browning result • Calibrate the unit manually. Make sure customer does not use grids while baking; only flat trays (aluminum baking tray) should be used to achieve proper results; Check if the customer is using the SCC baking process. Baking in manual mode (hot air without humidity control) does not achieve good results!

Drain connection is extended over several meters before ending in an • open floor drain or connected directly via P-trap Venting the drain pipe within 0,5 meter from drain connection might help the humidity control to maintain a set level.

Motor

Center

Center

P1

E11SE0707200......

SW: SCC-04-01-05

Mod: SCC_101

English

30-40cm (12“-16“)X

3x 45°

D=50mm


Clima Valve SCC Line

Clima Valve SCC Line 22.00.568 SCC 61 / 62 (pipe 108 mm) 22.00.576 SCC 101 / 102 (pipe 238 mm) 22.00.577 SCC 201 / 202 (pipe 228mm)

1. Standard operation The clima valve is normally in closed position. When the door is opened the valve opens automatically.

The turning fan wheel (with the small fins on the rear side) creates a nega-tive pressure (suction) below the closed clima valve. This negative pressure increases with increasing fan speed.

If too much humidity is detected inside the cabinet, the clima valve motor will turn the clima valve (time: ¾ of cpl. turning time) for 270 degrees; The valve will now stand in vertical position allowing dry kitchen air to be sucked into the cabinet. This dry air will displace the humid air, which is now discharged through the cabinet drain into the quenching box.Humidity displacement is most effective when fan wheel is at high speed.

After the set humidity is reached, the clima valve motor will close again. Closed position is detected by the micro switch S4.

2. Mounting sequence

When mounting a new clima valve make sure the top end of the stainless steel pipe is positioned centrally under the top cover hole.

Secure this position with the spacer ring and vent cover.

The connection to the elbow pipe to the cabinet is done with the gasket 22.00.564 and 2x hose clamps. Please mount the gasket as shown here: facing top The combined clima valve and pipe (as a replacement for the silicone hose connection) is used in production since January 2008.

Units prior to this production date can be retrofitted with a stainless steel pipe (to replace the silicone hose) with conversion kit 87.00.325. This kit is shipped together each motor 40.00.274 and 40.00.276. (subject to change)

S4


3. Possible Clima valve problems

Unit does not reach steam temperature 100°C• Cooking time is longer than normal;Humidity valve is permanently leaking fresh air to the inside of the cabinet causing displacement of steam;To proof close the cabinet door to allow the clima valve to close. Run the unit on standard (high) speed in any mode. Remove the top vent cover on top of the unit.

Now place a light paper or a burning match (lighter) over the opening. Should the flame or paper be sucked downwards the fan wheel is sucking air through the clima valve.

Customer complains about inconsistent cooking results• Customer is producing steaks / ribs at high temperatures; this application might result in excessive carbon build up on the valve and damage the valve gasket;Please include a visual inspection of the clima valve in your scheduled maintenance routine.

Humidity control faulty • If the clima valve does not find its end position the SCC will show “Service 21”. Also after each software update the clima valve will initialise itself automatically. Should this initialisation run not be successful the flap time (in Basic Settings 1.2) might show a time like -0.2 sec. The normal running time of the clima valve is 18-21 sec. If the actual time indicated in Basic Settings 1.2 is not in that range, press “START” “FLAP” in order to re-initialise the clima valve.

CM:For your record purposes only: The safety valve pipe of the units Combi Master CM (without clima valve, but at the same position) have the following service part numbers: 22.00.578 CM 61 / 62 (pipe 108 mm) 22.00.579 CM 101 / 102 (pipe 238 mm) 22.00.580 CM 201 / 202 (pipe 228mm)



Cleanjet +Care is the cleaning and care function of SCC with index G produced since October 2008.

2 different chemicals are used for Cleanjet +Care: Cleaner tabs: part number 56.00.210 Bucket of 100 each Care tabs: part number 56.00.562 Bucket of 100 each tab packets

• The unit will prompt the user with a recommended Cleanjet +Care program. This program will be indicated in red color.

The needed amount of chemicals will be indicated too.• The cleaner tabs are taken out of the plastic wrapping and placed into the basket of the air baffle inside the

cabinet• The care tabs (1 tab portion is equivalent to the content of 1 bag = 6 pcs) are taken out of the plastic wrapping

and placed into the care container next to the hand shower.• Make sure the hinged racks and the air baffle in units 61-102 are placed properly in position and the trolley is

standing vertically inside the cabinet in units 201-202.• Close the cabinet door and the care container and start the recommended Cleanjet +Care program.

2. Operational sequence (in general) CleanJet:

• The unit will start with a functional self test. SC-Pump and the 3 solenoid valves (Y1-Y3-Y4) are operated for a short time to verify the functionality.

• The care solenoid will fill some water into the care container to start dissolving the care tabs.• The drain valve will close, the quenching solenoid will fill water into the quenching box and the Cleanjet pump

M6 pumps this water into the cabinet.• The water jet must hit level 3-4 from top of the hinged rack / trolley in both table and floor units.• The air flow inside the cabinet draws the water via the cleaner tabs in the air baffle basket onto the fan wheel.

Now the cleaner tabs start dissolving.• The sufficient water flow is detected by the speed of the fan motor. This speed will decrease when water hits

the fan. The decreasing motor speed is sent to the processor via BUS connection.• After some time the pump will stop and the drain valve will open to allow the dirty water to drain off.• Depending on the program selected the above sequence will repeat one or more times (functional self test is

not repeated).• After completion of the cleaning cycle the steam generator will be pumped off.

Care:

• The care container will be filled with water and pumped off into the empty steam generator. This is done 3 times.

• The drain valve will close;• The filling solenoid will fill the steam generator with fresh water up to level electrode;• Part of the care volume inside the steam generator is now pumped off into the quenching box with the SC pump

and topped up by moistening valve Y3• The filling solenoid will fill the steam generator with fresh water above the level electrode;

The care volume inside the steam generator is heated to 80°C• The Cleanjet pump M6 pumps the care volume of the quenching box through the cabinet to rinse it;• The drain valve will open;• The care container will be rinsed with water, at the same time the care pump will discharge the water from the • care container in to the steam generator and the SC pump will pump off the steam generator.The steam generator is filled, pumped off and refilled again.• Finally the cabinet is neutralized by steam•

CleanJet +Care


3. Possible CleanJet +Care problems

Unit develops excessive foam • The water hardness is too low for the amount of cleaner tablets used. If a water softener is installed, the supply water must be blended to minimum 5°dH, 9°f, 6°e, 90ppm, 5,2 gr/gal(US). Note: We strongly advise NOT to use sodium ion exchanger treatment systems (corrosion etc). To indicate less cleaner tabs switch unit to Softwater ON in Basic settings 26.

Timer is counting up • The fan motor detects the water flow rate during cleanjet. If the water jet from the cabinet ceiling does not hit level 3-4 on both table and floor model rack / trolley, the motor does not detect enough water flow and the quenching solenoid will refill the quenching box. This leads to timer counting up. Make sure no containers are left inside the cabinet, fix left rack properly in locating pins, trolley must be inside cabinet on floor units, align trolley vertically; Defective door gaskets can lead to water loss during cleanjet process resulting in the need to refill.

Service 25 • Water flow recognition by rpm drop of main fan motor doesn‘t work Possible reasons: - Water tap closed - Cleanjet Pump defective - Foreign particle in pumping pipe is blocking water flow - Foreign particle at pipe end diverts water jet direction; water must hit level 3-4 of the rack or floor unit trolley - Drain valve does not close properly - Check running time of drain valve in Basic Settings 1.2; Times t0 - t1 should be appr. 9 / 27 sec (1:3) If necessary reinitialise drain valve in Basic Settings 1.2.

Service 40 • Care pump does not supply enough care solution into steam generator - Care pump defective (check if pumping rate is sufficient, impeller damaged / blocked) - Hose from care pump to steam generator kinked;

Service 41 • At the beginning of Cleanjet+Care process the moistening solenoid Y3 is tested automatically. - Solenoid Y3 defective, error is detected by CDS sensor; Change triple solenoid valve

Service 42 • At the beginning of Cleanjet+Care process the care solenoid Y4 is tested automatically. - Solenoid Y4 defective, error is detected by CDS sensor; Change triple solenoid valve

Service 43 • During the testing of solenoids Y1,Y3 and Y4 the CDS sensor detected that at least 1 of the three solenoid valves does not close after de-activation - Change triple solenoid valve

Service 44 • During the water heating process in the steam generator at beginning of the Cleanjet+Care process the ther-mocouple B1 does not detect temperature rising. - Check B1, heating elements, SSR

Service 110 • SC pump did not work properly when care chemical was inside steam generator. - Change / repair SC Pump.

Service 120 • Level electrode does not detect water level after care chemical was pumped in and water was topped up. - Check Filling solenoid Y1 and level electrode - wiring and operation. Reset of errors 40-43 is done after repair and successfull completion of a CleanJet +Care program, rinse, program light, medium or strong; Reset of error 44, 110 and 120 after reapir and completion of abort program;


1. General function A solid state relay is an electronic circuit which acts as a relay. A 12V DC signal is used as control voltage for switching the working voltage of 200-277V AC Should a solid state relay fail because of a secondary side short circuit it will fail most likely in closed position causing the connected load to be permanent on.

2. SSR connection 12V DC control voltage is supplied from I/O pcb terminal X24. Terminal A1 / B1 is the shared 200 - 277V input for the load supply. The I/O pcb supplies either section (channel) A or section (channel) B. Both channels are never switched on at the same time! Depending which Section - A or B - is supplied with 12V DC the channel A1/B1 to A2 or A1/B1 to B2 is closed. A2 connects always to steam elements, B2 connects always to Hot Air elements.

3. Measuring SSR Solid state relay can NOT be tested with an Ohm meter! Solid state relay are either tested using a clamp meter or Volt meter! To test a SSR power must be supplied to your equipment. Open the cabinet door to avoid control voltage supply from the I/O pcb.

Testing with clamp meter (cabinet door is open): • Put your clamp meter around the wire to A1 / B1 of each SSR. Meter must read zero Amps at all times. Should you measure any current the SSR is damaged and must be replaced!

Testing with Volt meter (cabinet door is open): • Put your volt meter across A1 / B1 and A2 or B2 of each SSR. Meter must read your system voltage, i.e. 400V in case your system supply is 3NAC 400V. Should you measure less than your connected system voltage or even 0 Volt, the SSR is damaged and must be replaced!

Solid State Relay - SSR

Wor

king

vol

tage

(200

V - 2

40V,

380

V - 4

00V,

440

V an

d 48

0V)

A +

A -

Phototransistor

Light

A 1

A 2

LED

Sign

al w

ith lo

w

volta

ge (1

2V D

C)

ThyristorThyristor

Opt

ocou

pler

Rational Part.- No.:40.00.453P

Section A

Section B

+-+-

A1 / B1

A2

B2

12V DC

0V DC

0 Amp = OKRational Part.- No.:40.00.453P

Section A

Section B

+-+-

A1 / B1

A2

B2

Volt Volt

400V = OK400V = OKRational Part.- No.:

40.00.453P

Section A

Section B

+-+-

A1 / B1

A2

B2


4. Mounting of SSR When mounting the SSR please make sure: A stainless steel (silver) colour heat transfer foil is attached to the rear side of the SSR. Do not damage this foil during storage or mounting. Should the old SSR have been fixed with a red heat transfer foil, remove this prior to fixing the new SSR. The 2 fixing screws must be tightend adequately to ensure equal pressure of the SSR base foil to the sup-porting surface. Should the SSR be fixed on a perforated aluminum base (CPC units), clean the holes of the mounting base from any dirt and dust;

5. Typical SSR connections to heating elements NOTE: The violet wire (L3) is connected directly to the main contactor and is NOT switched by SSR! Below you find some samples of SSR circuits connecting to Steam elements (A2). Note: If only 1 SSR is switched on, the unit is operating on partial load as 1 element is out of circuit. 3NAC 400-480V 3AC 200-240V

A1/B1 B2

A2+-+-

A

B

A1/B1 - A2 Steam / DampfA1/B1 - B2 Hot Air / Heißluft

A1/B1 B2

A2+-+-

A

B

L3

L2

L1

PCB

12V DC0V DC

Violet

Orange

Black

B5

12V DC

0V DC

A1/B1 B2

A2+-+-

A

B

A1/B1 - A2 Steam / DampfA1/B1 - B2 Hot Air / Heißluft

A1/B1 B2

A2+-+-

A

B

L3

L2

L1

PCB

Orange

Black

B5

12V DC

0V DC

12V DC

0V DC



The SCC pcb 42.00.002 works together with the I/O pcb 42.00.064. Power supply for the processor and information flow is via the Bus cable from the I/O pcb to the main pcb. Connected to the main pcb is an external EEPROM which stores the unit specific data. This memory is copied on the main pcb. Data on the main pcb are updated once per hour to the external EEPROM. The operation of the PCB is done mainly by touch pad, which is stuck onto the display and connected by a flat green cable. The SRAM of the CPU is backed up by a battery. Should this battery be removed the SRAM will be reset. NOTE: In this case the only information back up is the external EEPROM. Should the EEPROM carry inconsistant data the unit will be out of function. In this case you must run the Soft-ware Repair program to bring the unit back to operation. All DIP switches of the pcb must be set to OFF during normal operation. To enter into service mode set DIP switch 1 to ON. To exit service mode set DIP switch 1 to OFF or switch unit off and on again. (For details on service mode please refer to the training manual.)

2. Operational sequence (in general) If the pcb is switched OFF the unit will automatically re-boot itself. As there is permanent power to the I/O pcb the necessary power for rebooting is coming via BUS cable from I/O pcb to main pcb. This booting process needs approx. 30 seconds. During this time the green LED is on and the red LED will blink once. If now the pcb is switched on the display comes up at once and the clima valve and the drain valve will turn once. If the pcb is switched OFF and immediately ON again the SCC display needs approximately 30 seconds to be operational again.

3. Software upgrade

Software upgrade can ONLY be done by using the Rational USB Software stick 87.00.010. Other type USB sticks are NOT capable to correspond with the pcb hard/software. Connect the USB stick to USB interface at bottom left hand corner of control panel. Make sure the USB stick is recognized by the pcb. (Press Funktion key followed by USB key)

SCC - Main Printed Circuit Board (PCB) 42.00.002


4. Possible PCB problems

PCB does not recognize USB Stick • Open control panel and connect USB stick directly to X54 using USB interface cable 40.00.470. Should the USB stick be recognized now replace interface cable.

During software upgrade there is a 1 sec. on - off relais sound on the pcb; Software upgrade does not work • The USB stick is not formatted in FAT (16) mode. Safe the data on your computer and reformat USB stick to FAT (16)

Touch pad does not react • Disconnect flat green cable from terminal X102. Wipe end of cable clean. Reinsert into terminal X102; Should the touch pad still not respond change pcb; Experienced technicians can change this touch pad separately (SP number: 42.00.067). On PCBs from July 2009 this X102 connection is sealed with white silicone. Remove this silicone before reinserting the new touch pad connection.

PCB display shows VFD after software upgrade • Switch unit OFF and ON again and repeat software upgrade. Should re flashing software not help: PCB basic software is corrupt, change PCB

PCB only shows „ON-PLEASE WAIT“ after software upgrade; • There has been a communication interrupt during software upgrade; switch unit OFF and ON again and repeat Software upgrade.

PCB does not function • Check LED indication on pcb; green LED must be always on when unit is on. red LED must only blink once while rebooting and must be off all other times. yellow LED must be off at all times.

PCB shows water marking from condensation • - Check air filter, - Avoid steam intake from drain installation, - Make sure the vent pipe is properly installed to top cover and no water can sip in, - All connections of heating elements, sensors and motor shaft are steam tight, - Door gaskets are not damaged, - Interior light seal is ok, - Unit is not installed in cold rooms where humidity condensates on cold surfaces.

PCB looses programs • SRAM backup battery has low power; replace by TR 2032 3V Li cell.

Only SCC key, hot air and steam key are illuminated, display is dark, but touch pad is reacting • Check 2,5-0-2,5V supply from transformer to PCB terminal X110

PCB display shows: “Change Air filter” or “Service 29” • Cooling of left side panel is insufficient. Change air filter is shown when PCB is 75°C hot, Service 29 is shown when PCB is 85°C hot. Check cooling fan, external heat sources, install left side heat shield if necessary;


1. Software upgrade:

Software upgrade can ONLY be done using the Rational USB Software stick 87.00.010. This USB stick is formated in FAT. Other type of USB sticks are NOT capable to correspond with the pcb hard/software. Connect the USB stick to USB interface at bottom left hand corner of control panel. Make sure the USB stick is recognized by the pcb. (Press Function key followed by USB key) When the stick is recognised swith the unit OFF and ON again to start the update. After successful update check the software version and the serial number. The blue colour USB stick can be used on units with any software version. The grey colour USB stick is only recognised by units which have at least software version 01_07_11 (since May 2006). Units with software prior to this must be upgraded using the blue USB stick. If the USB stick is not recognised connect the USB stick directly to X54 using the USB interface cable 40.00.470 and replace original interface cable if needed.

2. Software download onto the USB stick On the original Rational USB Software stick 87.00.010 you find a file “update.exe”. Connect your computer to the internet, connect the USB stick and double click the file “update.exe” in the explorer. The integrated soft-ware will automatically connect to the Rational server. Press “Check for updates”. You will be prompted if a new firmware is detected. Follow the online instructions.

3. Software structure The standard Rational software has the following structure: Make sure ONLY the software files are existing on your software update USB stick. Make sure the files are not zipped on your USB stick Do NOT store other data on this memory stick!

4. Software structure chain account / OEM Software for chain accounts has the following structure: Note: The folder script must stay as a folder on the USB stick. Make sure there is no zip file on the USB stick. If the entire software package is sent to you as a zip file, unpack the content onto your USB stick. The chain software can not be updated on the web. There is no “update.exe” file existing. New software versions are ONLY available directly from Rational.

SCC - Software


5. Additional software information Software can only be upgraded to a newer version.

Standard Rational software: • During software update the following display will be shown in sequence: - All 4 windows: UPDATE (if shown only for a few seconds the software on the pcb is latest version already) - Window 3: ON please wait; - SCC display will show for 1 second; - Window 3: Please don’t touch (during this time the drain valve and clima valve will initialise) - Unit will switch OFF and ON again automatically; - UPDATE will show again; - ON please wait; - Unit will switch OFF and ON again automatically; - ON please wait; - After re booting of the pcb the SCC display will show and the steam generator will be automatically flushed; (disconnect the USB stick now)

Chain account software: • During software update the following display will be shown in sequence: - All 4 windows: UPDATE - please wait; - All 4 windows: script (during this time the drain valve and clima valve will initialise) - unplug stick (disconnect the USB stick now) - ON please wait; - Units will switch OFF and ON again automatically; - ON please wait; After re booting of the pcb is finished the chain display will show;

Software update does not delete any information which was entered by the customer before. • All information as entered in Basic Setting will remain valid;

If during software upgrade VFD is shown, leave the USB stick connected and switch the unit OFF and ON • again. If VFD remains on the display, the internal software structure on the PCB is corrupt and the PCB must be changed.

Unit without function after SW upgrade • - External EEPROM corrupt, contact Rational for EEPROM repair

Should there be a 1 sec. on - off relais sound on the pcb during software upgrade and Software upgrade • does not work: The USB stick is not formatted in FAT (16) mode. Safe the data on your computer and reformat USB stick to FAT (16);


1. Bus layout The main electronic components are connected by a bus cable. This bus connects:

I/O PCB• Main PCB• Main fan motor (201-202 units: 2x, top motor with jumper)• Ignition box on gas units (201-202 units: 2x, bottom ignition box with jumper)• Ultravent (optional) •

Table unit Floor unit Motor bottom Motor Top Main pcb I/O pcb

Electric unit Gas unit ignition top ignition bottom

2. Sequence of connection (RJ 45 terminal) One bus cable connects the I/O PCB to the main pcb. The second bus connects from the I/O pcb to the main fan motor, on floor units from the bottom fan motor to the top fan motor, on gas units it continues to the ignition boxes. The top fan motor needs a jumper on the right pair of pins for identification: On gas units the bottom ignition box needs a jumper as identification (ref. oval insert) I/O pcb, motor and ignition box have 2 bus terminals each. Both connections are identical and bus connection can be done to either terminal. The sequence of connection can be chosen freely, i.e. the bus cable can also be routed from the I/O pcb to the top motor first before the bottom motor or on gas units it may be connected to the ignition box first.

Bus Control

T1

K1:L1F2: N

LED GrLED Ye

X 24.1

X 25.1

X 26.1

X 27.1

X 15.1

X 17.1

X 16.1

X 23.1

X 75

X 20.1

X 19.1

X 18.1

ON

1234

X21

BUS BUS

X 3X 4

X14

X12

X11

X1

X8X7

X110X2

42.00.002 REV 802 Operator PCB

CPU

X54X52

X102

X10

X50

X5 X2 X6 X4 X3

V10 V9 V8

X51

X7 X8

X103

Battery

CPU

230V

12V AC

Jumper

1 2 4

8 16


3. General function The transformer supplies 12VAC power to the I/O pcb. The power supply for the processor on the main pcb is generated on the I/O pcb and sent via bus from the I/O pcb to the main pcb. All information from the main PCB to the I/O pcb, fan motor(s) and ignition box(es) is send via this bus system. As each component has its own unique address, the information can be routed correctly. Address of Components: 1 - I/O pcb: 2 - Fan motor (table unit), Fan motor bottom (floor unit) 4 - Fan motor top (floor unit); NOTE: Jumper must be set! 8 - Ignition box (Table unit), Ignition box top (floor unit) 16 - Ignition box bottom (floor unit); NOTE: Jumper must be set!

4. Fault finding Error code 34.1 Bus I/O pcb; change point of RJ45 connection Error code 34.2 Bus fan motor bottom; Check if green LED on fan motor is on (100-240V connected to motor?; check main contactor); Connect bus to second terminal Error code 34.3 Bus I/O pcb AND fan motor bottom; Check if green LED on fan motor is on (100-240V connected to motor?; check main contactor); Connect bus to second terminal Check all bus connections; Error code 34.4 Bus fan motor top; Check all bus connections, motor LED and main contactor Error code 34.5 (1+4) Bus I/O pcb AND Check all bus connections, motor LED and main contactor fan motor top of the floor unit;

Error code 34.6 (2+4) Bus at both fan motor of the floor unit; Check all bus connections, motor LED and main contactor Error code 34.7 (1+2+4) etc. Error code 34.8 Ignition box table unit Check all bus connections Error code 34.9 (1+8) etc. etc

When any error code is present, try to connect the bus cable to the second bus terminal of the component. • Should the error code change, the individual bus connection is defective;

When any error code is present, try to change the bus cable (40.00.472) in between the components to • locate defective cables and exclude any open circuit.

NOTE: Do not allow the bus cable to touch ANY hot surface, i.e. Steam heating elements. The insulation of the single wire strands inside the black bus cable might melt and wires can short circuit.

Attention: A short circuit on the bus can damaged the main pcb, I/O pcb, fan motor and ignition box at the same time!


Gas


NOTE: The gas components and ignition sequence are identical for SCC and CM units. A blower motor starts on “Start speed” and purges possible remaining gas from the gas heat exchanger with fresh air. Ignition starts for 5 seconds. During this time the gas valve will open. If the flame establishes and is recognised by the ignition and monitoring electrode and the ignition box, the gas blower speed may rev up to MAX rpm or MIN rpm depending on the amount of energy needed. Flame current is visible in Function test 14-16 and should be between 5,0 and 5,75μA. Should the flame recognition fail (below 3,5μA) , the heat exchanger will be purged again and the ignition se-quence will repeat. After 5 unsuccessful ignition restarts the unit will show RESET (CM - reS)

2. Component / connection identification Gas valve: 1. Gas supply pipe 2. Test nozzle for dynamic input pressure 3a / 3b. Electric solenoid 4. Pressure compensation hose 5. CO2 screw 6. Output pressure nozzle (not used in practice) 7. Valve outlet to blower premix chamber Gas blower: 1. Gas supply pipe 2. Gas valve 3. Ignition box 4. Pressure compensation hose 5. Air supply 6. Whirlwind (stationary) 7. Blower motor 8. Blower impeller housing 9. Discharge of gas / air mix to heat exchanger 10. Burner

Make sure the gas compensation hose (hot air and steam) is not kinked and is properly fixed in its position.

3. Media flow

Blower (7) and gas valve (2) are controlled by the ignition box (3). Blower (7) pulls air through air supply (5) and purges heat exchanger. Now ignition box (3) starts ignition at the burner head and opens gas valve (2). The pulled air is brought into rotation and mixed with the supplied gas in the stationary whirlwind disc. The fully premixed gas / air mixture is discharged through opening (9) into the burner.

2 3a 3b 4 5

1 7

6- +

-+

1 2

4

3

5

6

7

8

9 6

6

7, 8


4. Flue gas analysis Flue gas analysis is only done in „Function Test“. SCC: FT 14: Steam, FT 15: Hot air top, FT 16: Hot air bottom Adjustment of CO2 with the CO2 screw on the gas valve is only done in FT 14 in max rpm Steam, FT 15 in max rpm hot air top and FT 16 in max rpm hot air bottom, In the respective MIN rpm the CO2 is only checked for correct value, but NOT adjusted! CM: F 19-21: Steam, F22-24: Hot air top, F25-27: Hot air bottom (ref. CM module page 23) Adjustment of CO2 with the CO2 screw on the gas valve is only done in F 21 (max rpm Steam), F24 (max rpm Hot air top), F 27 (max rpm Hot air bottom) CO2 Screw: Turning clockwise decreases the CO2 value, turning anti clockwise increases the CO2 value. Adjust the value always from low to high!

5. Possible gas problems

Unit shows reset

Check if gas supply is open1. Dynamic gas pressure has to be measured with all other gas consumers on high flame.2. Gas supply pipe in the kitchen must cater for combined gas load of all gas consuming appliances, minimum 3. gas diameter for SCC / CM is 3/4“.If reset only happens in the morning when unit is cold: check flue gas analysis. CO4. 2 Values in MAX rpm might be too low, air gas mixture is too lean; adjust if necessary;If reset only happens during cooking when unit is warm: check flue gas analysis. CO5. 2 Values in MAX and MIN rpm might be too low, air gas mixture is too lean; if CO2 in MAX and in MIN rpm are 0.5% below standard set value, burner surface might be blocked by foreign particles. (Gas error code 19, 29, 22, 32) Clean burner head with compressed air from outside to inside or wash in dishwasher and blow dry after that (refer to TI 03/2007). Also clean the flexible air supply hoses from any dirt and dust / fat particles. After rebuilding burner flue gas analysis must be performed to confirm proper burning and adjustment must be done if needed. Should reset happen more than 3x a year despite having cleaned the burner, install external supply air filter. Make sure no source of dust and fat is located next to the fresh air intake of the unit.Check flue ducting inside the unit and inside ventilation hood. 6.

Unit makes popping sound when startingInstall gas valve with date stamp 0848 or later (applies to hot air gas valve only)1. Check hot air ignition electrode. Replace by electrode with non-gloss finish.2. Make sure no welding spots are directly under the ignition electrode location. Change burner if needed. 3.

Unit makes growling / whistling sound when in operationPlease check if the correct type of gas is set in Basic Settings 2. Check gas type with delivery note / invoice 1. of local gas supply company.Fresh air supply for burner is inadequate. Air supply can be altered by freeing the existing holes in the black 2. whirl wind housing from dust / fat particlesMake sure the compensation hose is not kinked and located on the black stud of the whirl wind housing, 3. Do NOT connect to the grey colour stud.

External exhaust pipes shall only be connected to the original draft diverter ex factory. Make sure the is sufficient fresh air supply in the kitchen and no negative pressure is existing (open kitchen door without air resistance.

If any gas error code other than 19, 29, 22, 32 is shown in gas error history frequently: refer to Training manual page: Download Service Data / Gas Error List


After initial installation of a SCC the „Selftest“ program will start. During „Selftest“ the hu-midity values of the actual installation altitude are evaluated. Some basic conditions apply to start „Selftest“:

Selftest is displayed but Start key does not show

Selftest

Initialization of ball valve and/or humidity flap is not

yet finished

Thermocouple B1, B2 or B4 is too hot (Temperature must

be below 40°C/104°F)Door contact not closed

Wait until initialization is finished Cool down unit using

function test Adjust door contact

Selftest and lack of water is always shown when the unit

is switched on

During the first selftest lack of water was recognised and

is still existing.

Eliminate lack of water

During selftest timer counts down to 4 minutes and then

changes to 12 minutes

Calibration data of cold and/or wet unit are out of the acceptable range. An additional calibration at combination mode is started.

Check components of the humidity control (P1, B4, Motor) and additionally

check humidity flap.

1

2 3


Service 10 (SC Pump)

Level electrode of the steam generator did not recognise a reduction of the water level during last SC-Automatic

Indication Service 10

Activate function test

Select step 8SC Pump M4

and touch „Start“ key

Check pump for scale depo-sits or other dirt, that blocks

the impeller

Clean housing of the pump, descale steam generator

and /or change pump

Short circuit level electrode or check drain system and quen-

ching box for dirt,clean if necessary

Check cable, connector and pump. Change defective part

Change auxiliary contact or contactor

Change I/O-pcb

Change fuse Check cable and pump for short

circuit

YES

YES

YES

NO

NO

NO

YES

NO

Pump active, water is pumped off

230V output at I/O-pcb X18 1/2 during function

test?

Auxiliary contact 13/14 of contactor K1 ok?

Fuses F6/F6.1 (on I/O pcb) ok?


Service 11 (CDS Sensor)

Actual measured filling volume above reference volume of steam generator


Eliminate leak

NO

NO

YES

YES

Water supply from CDS to steam genera-

tor leaking ?

Check valve in the water supply line to

the steam generator.Valve working correctly?

Change valve

Start volume measuring by activating pumping function, open cabinet door, touch function-followed by service - and finally key

for emptying steam generator

Level electrode clean, cable and con-

nector ok ?Clean electrode,

change defective part

YES

NO


Service 25 (Cleanjet Pump)

CleanJet does not deliver enough water to the fan wheel of the motor.Typical indication: The running time of the program will be exceeded.Check correct position of left rack and / or floor unit trolley!


Check water filter, pressure, supply line.

NO

YES

Water supply sufficient?

Does the water jet hit the 3rd or 4th left rack

inside the cabinet?

Check correct positioning of left rack, straight alignment of floor unit trolley

NO

NO

YES

YES

NO

Is cabinet door leak tight?

Check door gasket and trolley gasket (only floor models).Check door for correct adjustment

Output voltage of I/O pcb X18 3/4 present?

Output voltage of I/O pcb X19/5 present?

Check ball valve and change if necessary

Check pump, cable and con-nector, change defective part

Change fuse of I/O pcb or pcb.

YES

YES

Activate CleanJet-Pump (M6) in the

function test. Is pump running?

Activate solenoid valve quenching (Y2) in

the function test. Function ok?

Program was finished completely?

(enough water is coming out of the nozzle, fan mo-

tor reduces speed)

CleanJet-Pump and corresponding water supply lines leak tight and

pipes clean?

Remove all grids and con-tainers from interior cabinet,

Install air baffle correctly.Start a CleanJet-program.

Failure appeared because of miss handling. Inform custo-

mer of correct handling.

Change fuse of I/O pcb or pcb.

Test valve, cable and connec-tor, if any part is defective

change it. Check quenching box and nozzle for scale,

descale if necessary

Eliminate leaks and/or dirt.

NO

YES

NO

NO

NO

NO

YES

YES


Service 26 (Drain Valve)

Micro switch ball valve in permanent closed position.Unit out of order


Activate ball valve in the func-tion test.

NOYESOutput voltage at

I/O pcb X25 7/8 (12V DC) present? Change I/O pcb

Check motor ball valve, micro switch, cable, connector. Com-

plete ball valve unit must be changed.

NO

Service 27 (Drain Valve)

Micro switch ball valve in permanent open position.CleanJet can not be used


Separate unit from mains (switching off and on with

main switch is not enough). Af-ter approx. 5 seconds connect

unit to mains .

YES

YES

Is Service 27 deleted?Start a CleanJet-program and

check for correct function

Change I/O pcb

NO

Output voltage at I/O pcb X25 7/8 (12V DC)

present?

Ball valve blocked by dirt.Motor of ball valve, micro

switch, cable and/or connec-tor defective. Change unit if

necessary

Activate ball valve with the function test

NO

Should Service 27 appear more often and I/O-pcb with revision status 402 respec. 403 is installed, change I/O-pcb


Service 34 (Bus)

Bus failure - Indication of the faulty knot with the following code (combination of different faults possible):- 1: I/O pcb- 2: Bottom motor- 4: Top motor- 8: Top ignition box - 16: Bottom ignition box

Indication Service 34.1 up to 34.31

Disconnect and reconnect bus cable of the indicated faulty

part.

YESIs Service 34.1 indica-ted and the yellow LED on

the I/O pcb is flashing?

Check I/O pcb.Change it if necessary

Change corresponding part

NO

Are all dip switches „off“?

Set dip switches to off and disconnect unit from mains.

Switching unit off and on is not enough

Failure eliminated? Carry out test run

Carry out test runChange bus cable Failure eliminated?

NO

YES

NO

YESNO

YES

NO

Service 32 (only gas unit)

Internal fault of ignition boxService 32.1 Table models and floor models upper box Service 32.2 Floor models lower box

Indication Service 32.1 or 32.2

Switch unit off and on again

YESIs unit working again?

Change correspondingignition box

Carry out test run

If the unit was switched off and on again 3 times and the ignition box did not reset, then

„No Function“ is shown

NO


Service 40 (Care Pump)

Care Pumpe defective respectively does not pump enough care solution into steam generator

Display Service 40

NO

YES

YES

Operate Care Pumpe in function test 10.1

Check 230V at plug from I/O PCB to care

pump.

Reset error by successful comple-tion of RinseProgram

Change Care pump

NO

Check Voltage input at I/O pcb X21

YES

Check voltage on auxilliary contact K1

NO

Logic error; Check plugs and cables or

change I/O pcb

YES Check if pump from care pump is kinked


Service 41 (Y3 Moistening solenoid)

Solenoid valve Y3 defective of moistening nozzle blocked;CDS does not send any pulses; First time display: Descale moistening nozzle, Second time display: Servcie 41

Display Service 41

NO

YES

Operate Solenoid val-ve Y3 in function test 10

In function test 10 check voltage 230V

at coil solenoid valve Y3

Logic error; Check plugs and cables

or change I/O pcb

Check Voltage input at I/O pcb X21 YES


NO

Moistening nozzle blockedYES

Descale nozzle

NO

NO

Change triple solenoid 50.01,.050

Solenoid valve opens

YES

Check CDS sensorYES



Service 42 (Y4 Care solenoid)

Solenoid valve Y4 defective or feeding hose to care container blocked CDS does not send any pulses

Display Service 42

NO

NO

YES

Operate Solenoid valve Y4 in function test

10.1

In function test 10.1 check voltage 230V

at coil solenoid valve Y4

Logic error; Check plugs and cables or

change I/O pcb



Check Voltage input at I/O pcb X21

YES


NOYES

Check CDS sensorYES



Service 43 (triple solenoid valve)

CDS Sensor sends permanent pulses during start of Care process

Display Service 43

YES

Deselect all modes

Water drains from unit drain pipe?


YES

Display Service 44

Measure current draw in function test 2

Current draw accor-ding to spec?

In function test 2 check thermocouple B5 for

function

YES

Service 44 (Steam Heating)

No steam heating during Care Phase

NO Check heating elements / SSR for function

Reset error by successful comple-tion of Rinse Program

Reset error by successful comple-tion of Abort Program


Service 100 (Main Contactor)

Reason: Main contactor didn‘t disengage during last switch off or main switch on pcb defective

Display Service 100

Change pcbVoltage on coil K1 ?

NO

YES

Switch unit off by I/O switch (voltage present on main contac-

tor secondary side?)

Change main contactor

Service 110 (SC-Pump)

SC pump not functioning during the time when there is care solution inside the steam generator; Care solution could not be pumped off; unit without function;

Follow error tree Service 10!

Display Service 110

Switch unit OFF with I/O switch on pcb;1. Remove control fuse (F1-F2) for a short while and reset again; 2. Let unit stand idle for 2 minutes without switching it ON;3. Only now switch unit ON with I/O switch;4.

NO

Reset error by successful completion of Abort Program


Service 120 (Y1 Filling solenoid, Level electrode)

After Filling steam generator via M12 the steam generator does not fill with water via the filling solenoid.Detection: level electrode does not get contact with water; Steam generator can not be flushed; unit is without function.

Display Service 120

NO

YES

YES

Test solenoid valve Y1 in Function test 7

Logic errorCheck plugs, cable and I/O

pcb

Check function, wiring, con-nection at level electrode


Check power sup-ply at I/O pcb X21

YES

Check Power supply at auxilliary contact k1

NO

YES

Open water tap

Reset error by successful completion of Abort Program


No display - safety chain - SCC

No display

Check main fuse of the power supply and earth leakage breaker

NO

NO

YES

YES

NO

Power supply ok?

Fuse F1/F2 and contac-tor K1 ok?

Press dry up protector of steam generator

Replace defective part and find reason for tripping

DIsplay on?

Display on?

Is main switch S1 wor-king?

Input voltage at control transformer T1 present

Is green LED on I/O pcb on

Is green LED on pro-cessor pcb on

Input voltage at con-nector X1 (2,5V) of control pcb present

Ribbon cable between operator and processor pcb connected correctly?

Check cable and connectionCheck/change processor pcb

Check control transformer cable and connector

Check bus cable between I/O and processor pcb (X51)Check processor pcb

Check control transformer cable and connector

Check steam heating elements, SSR, water supply, scale build up

Press safety thermostat of interior cabinet

Change safety thermostat.Check SSR, hot air heating element

12 V supply at X14 pin 3 and 4 present

Check I/O pcb Check cable and connector

Check switch,Change pcb if necessary

YES

YES

NO

NO

YES

NO

YES

NO

NO

YES

YES

NO

YES

NO

NO

YES

YES


No or too low steam production - SCC

Steam above 110°C is not visible, it does not condensate on the cabinet door!

Humid cooking mode is selected but no/not enough steam is visible

Check:- Pressure sensor P1;- Hoses of pressure sensor P1;- Thermocouple humidity control B4- Thermocouple quenching B2For testing refer to training manual

Check hot air element/SSR in diagnostic test.Measure current draw with clamp meter

Check solenoid valve filling Y1 for proper function

YES

Close door, check door contact switch

NO

Check level electrode S2 with diagnostic program (item 13) indication must be „ 1 „?

Indication Service 14?or sensor steam generator defect?

Check level electrode,osmosis water supply (check water quality), Check sensor steam generator with dia-gnostic program (655/900°C)

NO

YES

YES

Service 21: Check flap motor M3 and end switch S4Service 28: Temperature SG>180°C, Check scale level

Check steam heating/SSR with diagnostic program.Measure current withclamp meter

Check with diagnostic program step 15Cooking mode steamTemp. 98 - 103°C humidity > 70%Temp. 104 -130°C humidity > 85%

Check quenching system.Calibrate unit as described in trai-ning manual

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

Clean filters of the water supply

NO

Door closed ?

Is the water tap symbol flashing on the display?

Is water tap open?Is hand shower working?

Has steam production failed completely

Press function, service and finally mod key.

Emergency humidity control active

Indication Service 21or Service 28

Steam heating elements ok?

Humidity value ok?


Service 12 / Indication descaling - SCC

Steam generator scaled up; CDS display shows 9 red bars

Indication „Descaling ofsteam generator necessary“

YESIs additionally Service 12 shown?

CDS-Sensor does not create pulsesCheck CDS-Sensor, cable andconnector.

Touch function key:degree of scale is shown

Only 2 to 3 red bars are shown on ?

Repeat descaling procedure

NO

NO

Activate and run descaling pro-gram. At the end of the program the new filling volume is genera-ted automatically.

Was the descaling procedure sufficient?

(Visual check via level elec-trode)

Unit ready for workYES

NOWater supply not sufficient:- Water pressure too low (below 50 kPa)- Water filter soiled- CDS Sensor soiled- Water intake pipe of steam

generator scaled up (Pipe must be descaled separa-

tely)

YESNO


Buzzer sounds - SCC

Reason: Any thermocouple is defectiveDifferent buzzer intervals depending which thermocouple is defective

Buzzer sounds for 30 seconds after fault identification and every time unit is switched on

YESIndication Service 20?Interior cabinet sensor B1 defective unit out of order

Change defective thermocouple

NO

NO

Check which ther-mocouple shows actual

values > 654°C,This indicates, that the corre-

sponding „Thermocouple is broken“

Check connector of the thermo-couple for sufficient contact

NO

IndicationCT probe defect?

IndicationService 31.1 up to 31.6?

- More than 3 measuring points of the probe are defective.

- SCC program‘s and manual cooking program‘s with core temperature can not be used

- Less than 3 measuring points of the probe are defective

- SCC program‘s and manual cooking program‘s with core temperature are running on emergency control

Activate diagnostic program Step 1 - 11

YES

NO

YES

YES

Buzzer frequency by failure of thermocouple (counting in 5 sec.)

B1 12 in 5 sec.B2 6 in 5 sec.B4 5 in 5 sec.B5 8 in 5 sec.Core temperature sensor 20 in 5 sec.


Change polarity (Gas units) - SCC

For flame monitoring mains must be connected with correct polarity

Unit showsChange polarity

Check power connection for correct polarity, colour code:

Life = brown or blackNeutral = blue

„RESET“ indication (Gas units) - SCCReason:Flame monitoring does not work after ignition

Indication „RESET“

NODoes the connected gas type comply with the gas type

on the name plate?

Open gas supplySwitch on ventilation system

Convert unit to connected gas type.

Follow instruction of training manual

Attention: Carry out flue gas analysis

Reset was carried out several times? Service 33 comes up if reset was carried out 4 times.Service 33 can be deleted by switching unit off and on again (function implemented as of soft-ware version 01_07_08)

YES

Gas supply openExternal Ventilation system on?

- Cross section of the gas supply pipe is too small- Flow gas pressure is too

Reset only in case all gas appliances of the kitchen are switched on ?

Install sufficient supply pipe,and/or increase gas pressure

Check ignition-electrode, -cable, -box and gas valve

YES

NO

YES

NO


Indication „E13“ (SC-Automatic) - CM

Level electrode of the steam generator did not recognise a reduction of the water level during last SC-automatc

Indication E13

Short cicuit electrode or check drain system and quenching box fpr dirt, clean if necessary

NO

NO

YES

YES

Is pump active and water is pumped out?

230V output at connec-tor X18 1/2 during funtion test

present?

Check cable, connector and pump. Change faulty part.

Clean housing of the pump, descale steam generator and/or change pump.

Aux. contact 13/14 of contactor K1 OK? Change aux. contact or contactor

YES

NO

Activate function test

Select step F14 SC Pump M4 by pressing timer key, activate func-tion with core temp. key.

Check pump for scale deposits or other dir, thet blocks the impeller

YES

Fuse F2 on pcb OK? NO Change pcb

Change fuse, check cable anf pump for short citcuit


No function- safety circuit - CM

No function

Check main fuse of the power supply and earth leakage breaker

NO

NO

YES

NO

Power supply OK?

Fuses F1/F2and contactor K1 OK?

Press dry up protector of steam generator

Replace defective part and find reason for tripping

Is unit on now?

Is unit on now?

Input voltage at connec-tor X7 present?

Main switch S1 on pcb OK?

Fuse F1 on pcb OK?Change pcb Change fuse

Check switch, if necessary chan-ge pcb

Check steam heating elements, SSR, water supply, scale built up

Press safety thermostat of interior cabinet

Check SSR, hot air heating element

Change cable and connector

YES

YES

NO

NO

YES

NO

YES

NOYES


No Steam - CM

Attention: Steam above 110°C is not visible, it does not condensate on the cabinet door!

Wet cooking mode is activated but no steam is visible

E16: Temperature DG>180°CCheck for scale build upE17: Temperature DG<-5°C: warm up the cabinet with warm water

Check solenoid valve filling Y1

YES

Close dooe and / or check door contact switch

NO

Check level electrode S2 with diag-mostic program (dP8) Indication „1“? Unit connected to treated water?

NO

YES

YES

E6: Check sensor steamgenerator B5 with diagnostic program (999°C)

E4: Check quenching sensor B2 with diagnostic program (999°C)

Change sensor

Check steam heating elements/SSR with diagnostic program. Mes-sure current with clamp meter

YES

YES

NO

NO

Door closed ?

Indication H2O OPEN?

Water tap open?Sediment filter at water con-

nection to unit clean?

Indication E6 or E4?

Indication E16 or E17 ?

NO Open water tap, clean sediment filter


CHnG POL (change polarity) - CM

For flame monitoringL1 mains must be connected with correct polarity

Indication„CHnG POL“

Check power connection for cor-rect polarity, colour code:Live = brown or blackNeutral = blue

Indication „rES“ (=reset) - CM

Reason:No flame sensing after ignition

Indication „rES“

NODoes the connected gas type comply with the gas type

on the name plate ?

Open gas supplySwitch on ventilation

- Convert unit to connected gas type.

- Follow instruction of training manual

Attention: Carry out flue gas analysis

Press reset key, if after several attempts unit still is not working

YES

Gas supply open?External Ventilation system?

- Cross section of the das sup-ply pipe is to small

- Flow gas pressure is to low

Reset only in case all gas appliances of the kitchen are switched on??

Install sufficient supply pipe, increase gas pressure

Check ignition-electrode, -cable, -box and gas valve.

YES

NO

YES

NO


Buzzer sounds - CM

Reason of fault: Any thermocouple is faulty

Buzzer sounds after fault identifi-cation and after switching on the unit.

YESIndication E7?Thermo couple of pcb faulty, change pcb

NO

Check connector of thermocouple for sufficient contact.Change faulty thermocouple.

Indication E3 or E4 or E5 or E6?

E3: Interior cabinet sensor B1 Unit out of orderE4: Quenching sensor B2E5: Core temp. sensor B3E6: Steam generator sensor B5 Change faulty sensor

NO

YES


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i alim

enta

zio

ne

Rat

ion

al S

CC

-Lin

e:

Cir

cuit

de

pu

issa

nce

Rat

ion

al L

inea

SC

C:

Cir

cuit

o d

e la

en

erg

ía

K1

BN BU

M5

M 1 ~A2

A1

N/O

1 2

BK

3 4

OG

5 6

VT

W17

A2 Ope

rato

r PC

B

K1 N/O

14 13

X7

11

GY RD BN

F31 2

F41 2

33

Ein/

Aus

Sch

alte

rS1

K1A

1

A222

RD

GY BN BU

W10

WH

WH

WH

X10 11

X46

11

T1St

euer

traf

oC

ontr

oltr

ansf

orm

er

2,5V

0V

2,5V

11,5V

11,5V

12V

12V

250V

240V

230V

220V

208V

200V

0V

22 22

33 33

A1

I/O

-PC

B

F5 1,6A

.

W13

WH

WH

WH

WH

X14 11 11

22 22

33 33

44

X56

44

11

F6.1

2AT .

X21 11

22

F6 2AT

W0

BK

BN

BK

BU

PE

YE/GN YE/GN

BKF1 6,

3A F2 6,3A

Z1

L1 L2 L3 N PE

X57

7766

5544

3322

VT

R1

3x3k

W9k

W D

1/D

2

1 2

V1

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

3 4

5 6

X33

1122 R2

3x3k

W9k

W D

1/D

2

1 23

D1

H

L2

4

3 4

5 6

V2

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

R4

6x3k

W18

kW H

L1/H

L2

1 2

X34

1122

3 4

3

D2

H

L1

5 64

7 8

9 10

11 12

BK OG VT BU

YE/G

N

3N

AC

40

0 -

41

5V

M1

M ~F2

0

6,3A .

F21

6,3A .

33 22

X2211

BN

77 66 55 44 33 22BU

T4

~-

12V

0V

0V200V

208V

220V

230V

240V

250V

X5911

22

X6711

M5

M2

01

-20

2

Wiring diagram Power Circuit


Rat

ion

al S

CC

-Lin

ie:

Leis

tun

gst

eil

Rat

ion

al S

CC

-Lin

e:

Pow

er c

ircu

itR

atio

nal

Lin

ea S

CC

: C

ircu

ito

di a

limen

tazi

on

eR

atio

nal

SC

C-L

ine:

C

ircu

it d

e p

uis

san

ceR

atio

nal

Lin

ea S

CC

: C

ircu

ito

de

la e

ner

gía

K1

BN BU

M5

M 1 ~A2

A1

N/O

1 2

BK

3 4

OG

5 6

VT

W17

A2 Ope

rato

r PCB

K1 N/O

14 13

X7

11

GY RD BN

F31 2

F41 2

33

Ein/

Aus

Sch

alte

rS1

K1A

1

A222

RD

GY BN BU

W10

WH

WH

WH

X10

11

X46

11

T1St

euer

traf

oC

ontr

oltr

ansf

orm

er

2,5V

0V

2,5V

11,5V

11,5V

12V

12V

250V

240V

230V

220V

208V

200V

0V

22 22

33 33

A1

I/O-P

CB

F5 1,6A

.

W13

WH

WH

WH

WH

X14

11 11

22 22

33 33

44

X56

44

11

F6.1

2AT .

X21

1122

F6 2AT

W0

BK

BN

BK

BU

PEX0

YE/GN YE/GN

BK BU

F1 6,3A F2 6,3A

BN

Z1

L1 L2 L3 PE

X57

7766

5544

3322

BK BU

YE/G

N

M1

M ~F2

0

6,3A .

F21

6,3A .

33 22

X2211

BK OG VT

YE/G

N

3AC

200

-240

V

R1

3x3k

W9k

W D

1/D

2

1 2V1

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

3 4

5 6

X33

1122 R2

3x3k

W9k

W D

1/D

2

1 233

D1

H

L2

44

3 4

5 6

V2

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

X34

11

R4

6x3k

W18

kW H

L1/H

L2

1 2

22

3 433

D2

H

L1

44

5 6

7 8

9 10

11 12

BN

77 66 55 44 33 22BU

T4

~-

12V

0V

0V200V

208V

220V

230V

240V

250V

X5911

22

X6711

M5

M20

1-20

2


Rat

ion

al S

CC

-Lin

ie:

Leis

tun

gst

eil

Rat

ion

al S

CC

-Lin

e:

Pow

er c

ircu

itR

atio

nal

Lin

ea S

CC

: C

ircu

ito

di a

limen

tazi

on

eR

atio

nal

SC

C-L

ine:

C

ircu

it d

e p

uis

san

ceR

atio

nal

Lin

ea S

CC

: C

ircu

ito

de

la e

ner

gía

55 44 33 22

T3

Sond

ertr

afo

Spec

ial t

rans

form

er

0V400V

415V

440V

480V

0V230V

X7211

F7 0,8A

22

X71

11

F86,

3A

F96,

3A

F10

6,3A

M1

M ~44 33 22

X22

11

K1

BN BU

M5

M 1 ~A2

A1

N/O

1 2

BK

3 4

OG

5 6

VT

W17

A2 Ope

rato

r PCB

K1 N/O

14 13

X7

11

GY RD BN

F31 2

F41 2

33

Ein/

Aus

Sch

alte

rS1

K1A

1

A222

RD

GY BN BU

W10

WH

WH

WH

X10

11

X46

11

T1St

euer

traf

oC

ontr

oltr

ansf

orm

er

2,5V

0V

2,5V

11,5V

11,5V

12V

12V

250V

240V

230V

220V

208V

200V

0V

22 22

33 33

A1

I/O-P

CB

F5 1,6A

.

W13

WH

WH

WH

WH

X14

11 11

22 22

33 33

44

X56

44

11

F6.1

2AT .

X21

1122

F6 2AT

W0

BK

BN

BK

BU

PE

YE/GN YE/GN

BKF1 6,

3A F2 6,3A

BN

Z1

L1 L2 L3 N PE

X57

7766

5544

3322

YE/G

N

VT

R1

3x3k

W9k

W D

1/D

2

1 2

V1

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

3 4

5 6

X33

1122 R2

3x3k

W9k

W D

1/D

2

1 233

D1

H

L2

44

3 4

5 6

V2

Leis

tung

shal

blei

ter

solid

sta

te re

lay

A+

A-

B+B-

A1/

B1

A2

B2

R4

6x3k

W18

kW H

L1/H

L2

1 2

X34

1122

3 4

33

D2

H

L1

5 644

7 8

9 10

11 12

BK OG VT

YE/G

N

3AC

400

-480

V

BN

77 66 55 44 33 22BU

T4

~-

12V

0V

0V200V

208V

220V

230V

240V

250V

X5911

22

X6711

M5

M20

1-20

2


Rat

ion

al S

CC

-Lin

ie:

Leis

tun

gst

eil

Rat

ion

al S

CC

-Lin

e:

Pow

er c

ircu

itR

atio

nal

Lin

ea S

CC

: C

ircu

ito

di a

limen

tazi

on

eR

atio

nal

SC

C-L

ine:

C

ircu

it d

e p

uis

san

ceR

atio

nal

Lin

ea S

CC

: C

ircu

ito

de

la e

ner

gía

Z1

W0

K1 N/O

1 2BK BK BK

3 4BU BU BU

GN/YE GN/YE

BK BU

F1 6,3A F2 6,3A

BNW17

A2

Ope

rato

r PCB

K1 N/O

13 14

X7

1

GY BNRD

F31 2

F41 2

3

Ein/

Aus

Sch

alte

rS1 K1

A1

A22

GY

BN BU RD

W10

WH

WH

WH

X10

1

X46

1

X57

7

T1

Steu

ertr

afo

Con

trol

tran

sfor

mer

2,5V

0V

2,5V

11,5V

11,5V

12V

12V

250V

240V

230V

220V

208V

200V

0V

2 2 6

3 3 5

A1

I/O-P

CB

F5 1,6A

.

W13

WH

WH

WH

WH

X14

1 1 4

2 2 3

3 3 2

4

X56

4 1

F6.1

2AT .

X21

12

F6 2AT .

Gasgebläse (HL1)Gasblower

M8

1M ~

NL1

PE GN

D

U/m

in

PWM

X60

12

3

W15

X51 3 4 2

W18

A5

Feue

rung

saut

omat

(HL1

un

d D

)Ig

nitio

nbox

BUS

BUS

NEP

L1 1 24

356

W14

GasventilGas valve

Y12

X65

12

3

Elektrode GasbrennerElectrode gas burner

B12

4

HL

1

RJ 45


B11

RJ 45

GasventilGas valve

Y11

D

X52

3 4 2

W18

W15

Gasgebläse (D)Gasblower

M9

1M ~PW

M

U/m

in

GN

D

NL1

PE

X61

12

3

M1

M ~

..

F20

6,3A .

F21

6,3A .

3 2

X221

M5

M 1 ~A2

A1

1NA

C 2

30V

- G

as

BN

7 6 5 4 3 2BU

T4

~-

12V

0V

0V200V

208V

220V

230V

240V

250V

X591

2

X671

M5

M20

1-20

2


Rat

ion

al S

CC

-Lin

ie:

Leis

tun

gst

eil

Rat

ion

al S

CC

-Lin

e:

Pow

er c

ircu

itR

atio

nal

Lin

ea S

CC

: C

ircu

ito

di a

limen

tazi

on

eR

atio

nal

SC

C-L

ine:

C

ircu

it d

e p

uis

san

ceR

atio

nal

Lin

ea S

CC

: C

ircu

ito

de

la e

ner

gía

X72

010199

2233

4455

6677

88

F7 0,8A

.

X71

22

T3So

nder

traf

oSp

ecia

l tra

nsfo

rmer

0V

100V

110V

120V

127V

200V

208V

220V

230V

240V

0V

230V

11 11

2

1

A2

Ope

rato

r PCB

K1 N/O

13 14

X7

11GY BNRD

F31 2

F41 2

33

Ein/

Aus

Sch

alte

rS1 K1

A1

A222

GY

BN BU RD

W10

WH

WH

WH

X10

11

X46

11

X57

77

T1

Steu

ertr

afo

Con

trol

tran

sfor

mer

2,5V

0V

2,5V

11,5V

11,5V

12V

12V

250V

240V

230V

220V

208V

200V

0V

22 22 66

33 33 55

A1

I/O-P

CB

F5 1,6A

.

W13

WH

WH

WH

WH

X14

11 11 44

22 22 33

33 33 22

44

X56

44 11

F6.1

2AT .

X21

1122

F6 2AT .

Gasgebläse (HL1)Gasblower

M8

1M ~

NL1

PE GN

D

Act

. spe

ed U

/min

Set

spee

d PW

M

X60

1122

33 W15

X51 33 44 22

W18

A5

Feue

rung

saut

omat

(HL1

un

d D

)Ig

nitio

nbox

BUS

BUS

NEP

L1 1 24

356

W14

GasventilGas valve

Y12

X65

12

3 Elektrode GasbrennerElectrode gas burner

B12

HL

1

RJ 45


B11

RJ 45

GasventilGas valve

Y11

D

X52

33 44 22

W18

W15

Gasgebläse (D)Gasblower

M9

1M ~PW

M

U/m

in

GN

D

NL1

PE

X61

1122

33

M1

M ~

..

F20

6,3A .

F21

6,3A .

33 22

X2211

M5

M 1 ~A2

A1

BN

77 66 55 44 33 22BU

T4

~-

12V

0V

0V200V

208V

220V

230V

240V

250V

X5911

22

X6711

Z1

W0

K1 N/O

1 2BK BK BK

3 4BU BU BU

GN/YE GN/YE

BK BU

F1 6,3A F2 6,3A

BN

1NA

C 1

00 -

127V

, 1N

AC

240

V, 2

AC

200

- 24

0V -

Gas

M5

M20

1-20

2


SCC

Ser

vice

Ref

eren

ce

SC

C k

ey c

Func

tion

key

a

Pro

g ke

y b

Set

tings

Sta

rttim

e

Cle

anJe

t

1 2 3 4

(sin

ce S

W S

CC

02_

xx_x

x to

03_

xx_x

x)(s

ince

SW

SC

C 0

4_xx

_xx)

Set

tings

Sta

rttim

e

Ca

reC

on

tro

l

Cle

anJe

t +car

e

10:2

4

eng

lisham

/pm

24 h

h:m m:s IP

10/2

2/06

22.1

0.06

°C /

°F

Ty

pdesc

ale

CD

S

Ser

vice

Info

Set

tings

Set

ting

of l

angu

age

rese

t to

fact

ory

setti

ng

Set

ting

Cle

anJe

t req

uest

(onl

y ac

tiv

whe

n fra

me

show

s in

red)

Des

calin

g pr

ogra

m: a

utom

atic

pro

cess

empt

y st

eam

gen

erat

or (D

oor m

ust

be o

pen!

)

Dis

play

of s

cale

leve

l ins

ide

stea

m

gene

rato

r

Dis

play

of s

oftw

are

vers

ion,

Ser

ial

num

ber

eras

e al

l cus

tom

er p

rogr

ams

„Pro

gram

lock

“ Pas

swor

d;12

345;

TT

RE

U

setti

ng b

uzze

r (so

und-

dura

tion)

Cop

y cu

stom

er p

rogr

am to

stic

kR

eloa

d cu

stom

er p

rogr

ams

from

stic

k to

uni

tE

rase

cus

tom

er p

rogr

ams

Dow

nloa

d of

HA

CC

P-D

ata

Sof

twar

e up

date

s (Ic

on o

nly

show

s w

hen

unit

dete

cts

valid

sof

twar

e on

th

e us

b st

ick;

Dow

nloa

d of

ser

vice

dat

a to

stic

k.

HACC

PP

rog

Pro

gP

rog

Info

upda

te

P,

H, I

05,

S05

Che

f

L

ine

h:m

m:s

Pro

g Pro

g

Show

Mod

e - s

witc

h of

f or o

nO

Npr

ess

func

tion

key

„a“ f

ollo

wed

by

prog

ram

key

„b“ a

nd

SC

C k

ey „c

“ for

10

seco

nds

until

-ac

oust

ic s

igna

l - B

eep

and

door

han

dle

in ic

on fu

nctio

n ke

y „a

“ sho

ws

in re

d

OFF

pres

s fu

nctio

n ke

y „a

“ fol

low

ed b

y pr

ogra

m k

ey „b

“ and

S

CC

key

„c“ f

or 1

0 se

cond

s un

til -

acou

stic

sig

nal -

Bee

pan

d do

or h

andl

e in

icon

func

tion

key

„a“ s

how

s in

blu

e

Abo

rt C

lean

Jet

switc

h un

it of

f and

on

agai

n

Abo

rt d

e-sc

alin

g pr

ogra

mbe

fore

filli

ng d

e-sc

alin

g liq

uid

- use

„BA

CK

“ arr

ow

afte

r filli

ng d

e-sc

aler

into

ste

am g

ener

ator

- sw

itch

unit

off a

nd o

n ag

ain

- pre

ss A

BO

RT

key

- rem

aini

ng ti

me

will

be

adju

sted

aut

omat

i-ca

lly- s

witc

h un

it of

f and

on

agai

n- p

ress

AB

OR

T ke

y - t

ime

will

be

adju

sted

aut

omat

ical

ly 2

x- u

se s

team

mod

e fo

r 15

min

. and

rins

e in

terio

r cab

inet

Ente

r Ser

vice

leve

lse

t dip

sw

itch

„1“ o

n pc

b to

ON

pos

ition

Dia

gnos

ticR

unni

ngTi

mes

Func

tion

Test

Bas

ic S

ettin

gs

12

34

on


Serv

ice

erro

r cod

e:S

ervi

ce 4

0C

lean

jet n

ot p

ossi

ble,

C

are

pum

p fa

ulty

Ser

vice

41

CD

S d

oes

not s

end

any

puls

es; s

olen

oid

valv

e Y

3 de

fect

ive

or m

oist

enin

g va

lve

bloc

ked;

Ser

vice

42

CD

S d

oes

not s

end

any

puls

es; S

olen

oid

Y4

Car

e de

fect

ive

or h

ose

to c

are

cont

ai-

ner b

lock

ed u

p or

kin

ked;

Ser

vice

43

CD

S s

enso

r sen

ds a

lway

s pu

lses

; Sol

eno-

id Y

1, Y

3 or

Y4

is p

assi

ng w

ater

Ser

vice

44

Ste

am h

eatin

g or

SS

R fa

ulty

Ser

vice

100

Mai

n co

ntac

tor -

pcb

on

off s

witc

h

Ser

vice

110

SC

pum

p fa

ulty

or l

evel

ele

ctro

de c

alci

fies

Ser

vice

120

Car

e P

ump

M12

or l

evel

ele

ctro

de d

efec

-tiv

e

Gas

-set

tings

- va

lues

Dyn

. pre

ssur

e LP

G27

-57

mba

r; 2,

7-5,

7 kP

a

Dyn

. pre

ssur

e na

tura

l gas

18-2

5 m

bar;

1,8-

2,5

kPa

CO

2 m

ax L

PG

(G30

) 3B

P10

,4%

+/-

0,2%

for t

ype

61-2

02

CO

2 m

ax L

PG

(G31

) 3P

11,1

% +

/- 0,

2% fo

r typ

e 61

-202

CO

2 m

ax n

atur

al g

as H

(G20

)9,

4% +

/- 0,

2% fo

r typ

e 61

-201

9,5%

+/-

0,2%

for t

ype

202

CO

2 m

ax n

atur

al g

as L

(G25

) 9,

3% +

/- 0,

2% fo

r typ

e 61

-201

9,4%

+/-

0,2%

for t

ype

202

Cal

ibra

tion

SC

C

Cal

ibra

tion

at th

e cu

stom

ers

site

mus

t be

done

und

er th

e fo

llow

ing

cond

ition

s: C

hang

ing

of:

1 P

ress

ure

sens

or P

1,

2 B

4 hu

mid

ity s

enso

r,3

fan

mot

or,

4 pc

b,5

exte

rnal

EE

PR

OM

, 6

deta

chin

g of

the

fan

whe

el,

7 re

plac

ing

the

air b

affle

or d

ivid

er p

late

bet

wee

n th

e 2

fan

mot

ors

of a

floo

r mod

el,

8 in

stal

latio

n of

the

appl

ianc

e ab

ove

1000

m (3

000f

t) ab

ove

sea

leve

l or b

elow

sea

leve

l (de

ad s

ea),

inst

allin

g w

ith U

ltrav

ent o

f

vent

ing

exte

nsio

n or

as

a C

ombi

Duo

9 U

sage

of a

diff

eren

t sta

ndar

d ra

ck10

Cus

tom

er c

ompl

aint

for u

neve

n co

okin

g re

sults

Bas

ic c

ondi

tion

Tem

pera

ture

s: C

abin

et s

enso

r

Q

uenc

h. s

enso

r

H

umid

ity s

enso

r

B

1 <4

0°C

B2

<45°

C

B

4 <

40°

C

Bas

ic c

ondi

tion

Har

dwar

e:H

eatin

g: O

FF F

an m

otor

: OFF

Hum

idity

flap

: Clo

sed

Sid

e pa

nel m

ust b

e fit

ted;

Uni

t mus

t be

clea

n, b

ut m

ay b

e w

etIn

ord

er to

ach

ieve

the

best

pos

sibl

e ca

libra

tion

valu

es, i

nser

t2

GN

-con

tain

er 2

0 or

40

mm

dee

p w

ith th

e op

enin

g fa

cing

do

wnw

ards

in 6

1 an

d 62

uni

ts in

to ra

il 2

and

5in

101

and

102

uni

ts in

to ra

il 3

and

7in

201

and

202

uni

ts 3

GN

con

tain

er in

to ra

il 3,

10

and

17

To s

tart

cal

ibra

tion:

Set

DIP

sw

itch

1 in

on

pcb,

Sel

ect:

Bas

ic S

ettin

gs, P

kt. 1

.1: S

TAR

T

Se

rvic

e er

ror c

ode:

Ser

vice

10

SC

-Pum

p w

ithou

t Fun

ctio

n

Ser

vice

11

leve

l ele

ctro

de (O

smos

is w

ater

) or c

heck

va

lve

abov

e st

eam

gen

erat

or fo

r lea

kage

Ser

vice

12

CD

S s

enso

r no

outp

ut s

igna

l

Ser

vice

13

chan

ge le

vel e

lect

rode

Ser

vice

14

Leve

l ele

ctro

de (O

smos

is w

ater

)

Ser

vice

16

sinc

e 01

-07-

09,

flash

new

sof

twar

e ve

rsio

n fir

st

Ser

vice

17

exte

rnal

EE

PR

OM

faul

ty

Ser

vice

20

ther

moc

oupl

e B

1 fa

ulty

Ser

vice

21

mic

ro s

witc

h cl

ima

cont

rol f

aulty

Ser

vice

22

Ser

vice

23

SS

R s

team

sho

rt ci

rcui

t

Ser

vice

24

SS

R h

ot a

ir sh

ort c

ircui

t

Ser

vice

25

Cle

anJe

t wat

er c

ircul

atio

n fa

ulty

- wat

er d

oesn

‘t hi

t fan

whe

el- c

heck

pum

p, fo

reig

n bo

dies

in w

ater

pi

pe, r

acks

/ tro

lley

mus

t be

insi

de c

abin

et

Ser

vice

26

drai

n va

lve

clos

ed

Ser

vice

27

drai

n va

lve

does

n‘t c

lose

,C

lean

Jet w

ithou

t fun

ctio

n

Ser

vice

28

B5

in s

team

gen

erat

or a

bove

180

°C

(356

°F),

de-s

cale

ste

am g

ener

ator

Ser

vice

29

pcb

tem

pera

ture

too

high

(abo

ve 8

5°C

/ 18

5°F)

; cha

nge

air fi

lter

Ser

vice

30

hum

idity

con

trol f

aulty

Ser

vice

31.

Xco

re p

robe

faul

ty

Ser

vice

32.

Xig

nitio

n bo

x fa

ulty

, cha

nge

igni

tion

box

0-to

p; 1

-bot

tom

; 2-b

oth

Ser

vice

33.

X4x

Res

et w

ithou

t fun

ctio

n,ch

ange

igni

tion

box;

1-to

p; 2

-bot

tom

Ser

vice

34.

XB

US

sig

nal e

rror

1-I/O

pcb

, 2-m

otor

bot

tom

; 4-m

otor

top;

8-ig

nitio

n bo

x to

p; 1

6-ig

nitio

n bo

x bo

ttom


Ente

r Ser

vice

leve

l (D

iagn

ostic

, Set

tings

, Run

ning

tim

es)

Set

dip

sw

itch

1 on

pcb

to „O

N“ p

ositi

on

Ente

r fun

ctio

n te

stS

et d

ip s

witc

h 3

on p

cb to

„ON

“ pos

ition

CM

Ser

vice

Ref

eren

ceS

CC

Lin

e

12

34

on 12

34

on1Mod

e di

al

2 C

abin

et te

mp.

dial

4 Ti

me

key

6 Ti

me

/ cor

e tm

p.di

al

5 C

ore

tem

p. k

ey

Key

cod

e C

M (S

CC

line

)C

lean

ing

prog

ram

sele

ct C

ool D

own

with

„1“

pres

s ke

y „5

“ for

10

sec.

„CLE

n“ is

sho

wn

in te

mpe

ratu

re d

ispl

aypr

ess

key

„4“ 1

x;

De-

scal

ing

prog

ram

sele

ct C

ool D

own

with

„1“

pres

s ke

y „5

“ for

10

sec.

„CLE

n“ is

sho

wn

in te

mpe

ratu

re d

ispl

ayse

lect

„CA

LC“ w

ith „2

“pr

ess

key

„4“ 1

x;

empt

y st

eam

gen

erat

orse

lect

Coo

l Dow

n w

ith „1

“pr

ess

key

„5“ f

or 1

0 se

c.„C

LEn“

is s

how

n in

tem

pera

ture

dis

play

sele

ct „S

C“ w

ith „2

“; op

en d

oor,

pres

s ke

y „4

“ 1x;

sele

ct °C

- °F se

lect

any

coo

king

mod

epr

ess

key

„4“ a

nd „5

“ for

10

seco

nds

Erro

r cod

eTi

me

disp

lay

Cab

inet

di

spla

yop

en w

ater

tap

chan

ge p

olar

ity o

f mai

ns s

uppl

y

Ext

erna

l EE

PR

OM

dat

a er

ror

heat

ing

bloc

ked

by e

nerg

y op

timis

ing

B1

cabi

net s

enso

r def

ectiv

e

B2

quen

chin

g se

nsor

def

ectiv

e

B3

core

pro

be s

enso

r def

ectiv

e

B5

stea

m g

ener

ator

sen

sor d

efec

tive

Ther

mo

sens

or o

n pc

b de

fect

ive

pote

ntio

met

er c

abin

et te

mp.

def

ectiv

e

pote

ntio

met

er ti

me

/ cor

e pr

obe

defe

ctiv

e

Ext

erna

l EE

PR

OM

def

ectiv

e

mod

e sw

itch

defe

ctiv

e

fan

mot

or b

otto

m B

us e

rror

(LE

D s

how

s?)

fan

mot

or b

otto

m d

efec

tive

fan

mot

or to

p B

us e

rror

(LE

D s

how

s?)

fan

mot

or to

p de

fect

ive

M4

SC

-pum

p de

fect

ive

or b

lock

ed

fil

ling

sole

noid

def

ectiv

e / s

ieve

blo

cked

pc

b te

mp.

abo

ve >

85°C

(185

°F),

chan

ge a

ir fil

ter

B5

stea

m g

ener

ator

sen

sor a

bove

18

0°C

(356

°F),

de-s

cale

ste

am g

ener

ator

B5

stea

m g

en. s

enso

r bel

ow -5

°C (2

3°F)

B1

cab.

sen

sor a

bove

340

°C (6

40°F

) (S

SR

?)Ig

nitio

n bo

x to

p bu

s er

ror

Igni

tion

box

botto

m b

us e

rror

1xx

- Ste

am,

2xx

- Hot

air

top

3xx

- Hot

air

botto

mIg

nitio

n bo

x de

fect

ive

- cha

nge

box

1xx

- Ste

am,

2xx

- Hot

air

top

3xx

- Hot

air

botto

mIg

nitio

n el

ectro

de, I

gniti

on b

ox, c

able

flash

new

sof

twar

e fir

st


Dia

gnos

tic p

rogr

am

Sof

twar

e ve

rsio

n

B1

cabi

net s

enso

r

B2

quen

chin

g se

nsor

B3

core

pro

be s

enso

r

B5

sens

or s

team

gen

erat

or

PC

B te

mpe

ratu

rem

ust b

e be

low

75°

C

(167

°F)

S3

door

con

tact

o - o

pen;

1 -

clos

ed

S2

leve

l ele

ctro

de0

- no

wat

er; 1

- ok

stea

m e

lem

ent e

nerg

ised

0 ; 1

=50%

; 2=1

00%

ho

t air

elem

ent e

nerg

ised

0 ; 1

=50%

; 2=1

00%

rpm

fan

mot

or b

ottto

m

rpm

fan

mot

or to

p

Sic

otro

nic

ener

gy o

ptim

i-si

ng

Uni

t typ

e an

d si

ze

Gas

- Fl

ame

curr

ent s

team

norm

al: 4

,5 -

5,5μ

A

Gas

- Fl

ame

curr

ent h

ot

air t

opno

rmal

: 4,5

- 5,

5μA

Gas

- Fl

ame

curr

ent h

ot a

ir bo

ttom

norm

al: 4

,5 -

5,5μ

AR

T - R

unni

ng T

imes

S3

door

ope

ning

s

Tota

l tim

e Y

1 va

lve

fillin

g

Tota

l tim

e Y

2 va

lve

quen

chin

g

Tota

l tim

e M

4 S

C-p

ump

Tota

l tim

e st

eam

hea

ting

time

Tota

l tim

e ho

t air

heat

ing

time

Tota

l tim

e st

eam

mod

e

Tota

l tim

e ho

t air

mod

e

Tota

l tim

e co

mbi

natio

n m

ode

Tota

l tim

e va

rio s

team

mod

e

Tota

l tim

e fin

ishi

ng m

ode

Tota

l tim

e cl

eani

ng p

rogr

am

Tota

l run

ning

tim

e un

it

SE -

Bas

ic S

ettin

gs

Ste

am h

eatin

g tim

e si

nce

last

SC

-Aut

omat

ic

Pre

set S

team

hea

ting

time

until

SC

-Aut

omat

ic

Flus

hing

tim

e S

C-A

utom

atik

Ope

ratio

n st

eam

gen

erat

or p

ump

Sho

w m

ode

Set

ting

new

gas

type

Pre

setti

ng o

f CO

2 sc

rew

in m

m

inst

alla

tion

altit

ude

abov

e se

a le

vel

rpm

blo

wer

mot

or s

team

MIN

rpm

blo

wer

mot

or s

team

Sta

rt

rpm

blo

wer

mot

or s

team

MA

X

rpm

blo

wer

mot

or h

ot a

ir to

p M

IN

rpm

blo

wer

mot

or h

ot a

ir to

p S

tart

rpm

blo

wer

mot

or h

ot a

ir to

p M

AX

rpm

blo

wer

mot

or h

ot a

ir bo

ttom

MIN

rpm

blo

wer

mot

or h

ot a

ir bo

ttom

Sta

rt

rpm

blo

wer

mot

or h

ot a

ir bo

ttom

MA

X

F --

Fun

ctio

n te

st

Set

DIP

sw

itch

3 to

„ON

“ pos

ition

!In

Fun

ctio

n te

st c

ompo

nent

s ar

e N

OT

prot

ecte

d ag

ains

t ove

rload

!Fu

nctio

nC

abin

et

disp

lay

Tim

e

disp

lay

Ste

am 5

0%, E

lect

ric u

nit

act.

tem

p.B

5 st

eam

gen

erat

or1

/ 0

Ste

am 1

00%

, Ele

ctric

uni

tac

t. te

mp.

B5

stea

m g

ener

ator

1 / 0

Hot

air

50%

, Ele

ctric

uni

tac

t. te

mp.

B1

cabi

net

1 / 0

Hot

air

100%

Ele

ctric

uni

tac

t. te

mp.

B1

cabi

net

1 / 0

Ste

am G

as u

nit

act.

tem

p.B

5 st

eam

gen

erat

or1

/ 0

Hot

air

top,

Gas

uni

tac

t. te

mp.

B1

cabi

net

1 / 0

Hot

air

botto

m, G

as u

nit

act.

tem

p.B

1 ca

bine

t1

/ 0

Bot

tom

Mot

or M

AX

rpm

Set

rpm

act.

rpm

Bot

tom

Mot

or M

IN rp

mS

et rp

mac

t. rp

m

Top

Mot

or M

AX

rpm

Set

rpm

act.

rpm

Top

Mot

or M

IN rp

mS

et rp

mac

t. rp

mS

olen

oid

valv

equ

ench

ing

actu

al te

mp.

B

2 qu

ench

ing

Y2

1 / 0

Sol

enoi

d va

lve

fillin

gLe

vel e

lect

rode

S

2, 1

/ 0

Y1

1 / 0

SC

Pum

pLe

vel e

lect

rode

S

2, 1

/ 0

M4

1 / 0

Buz

zer

1 / 0

All

Dis

play

s / L

ED

Rel

ais

Ultr

aven

t(d

oor o

pen

/ clo

se)

1 / 0

no fu

nctio

n

Gas

blo

wer S

team

MIN

rpm

actu

al rp

mS

et C

O2

Gas

blo

wer S

team

Sta

rt rp

mac

tual

rpm

Gas

blo

wer S

team

MAX

rpm

actu

al rp

mS

et C

O2

Gas

blo

wer

Hot

air

top

MIN

rpm

actu

al rp

mS

et C

O2

Gas

blo

wer

Hot

air

top

Sta

rt rp

mac

tual

rpm

Gas

blo

wer

Hot

air

top

MA

X rp

mac

tual

rpm

Set

CO

2

Gas

blo

wer

Hot

air

bot-

tom

MIN

rpm

actu

al rp

mS

et C

O2

Gas

blo

wer

Hot

air

bot-

tom

Sta

rt rp

mac

tual

rpm

Gas

blo

wer

Hot

air

bot-

tom

MA

X rp

mac

tual

rpm

Set

CO

2

80.51.084 - V03 EN - RTS/Sc - 10/2010

RTS Contact Germany

Fax: +49 (0)8191-327397e-mail: [email protected]: http://service.rational-online.com

Service Parts:Fax: +49 (0)8191-327408e-mail: [email protected]

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