22-172 sears ddw18 dishwasher
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DEPT.73 IA
TECHNICAL
FLASH
ServiceBranchManager
Assistant ServiceBranch
Manager
CallCentreManager
Quality
Education eader
T.F.
22-172
ocroBER 2004
CLAUDE BABINEAU
_
S/73IA
DIVISION 22
461
DANBY
DISHWASHER
DDW18o2
14352
DDW1805
17352
SERVICE ANUAL
CLAUDEBABINEAU-
DEPARTMENT31A
CHRIS
BURNELL-DEPARTMENT31A
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INDEX
1.
PRODUGT
SPEGIFIGATIONS
2.
SCHEMATIC
DIAGRAM
3. WIRING
DIAGRAM
4.
TIMER
CYCLE
GHART
5. COMPONENT
OPERAilON
AND
REPAIR
6. TROUBLE
SHOOTING
7.
PARTS
LIST
AND
DIAGRAM
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SPECIFICATION
MODEL
DDW1802
and DDW1805
ELECTRICAL
Ratinq
120V 0Hz
Motor
HP)
1 t5
Motor
Amos)
Heater
Wattaqe
1000w
Wash
TotalAmre
(Load
Rated)
9.24
Thermostat
Contacts
Close
at
127"F 5"F
58nt3l
WATER
SUPPLY
Suggested
Min. Incoming
Water
Temperature
120,r
to
150.r
49,
to 66.Pressure
PSl)
Minimum/Maxim
m
15/120 SI
Connection
NPT)
318"
Consumption
Toil
Gallons)
3.5r5%
WaterValve
Flow
Rate
GPM)
1.08GPMt10%
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TIMER
CYCLE
CHART
6
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COMPOruEruT
PERATION
ND
REPAIR
SAFETYPRECATIONS
Always
turn
off the
electric
power
supply
before servicing
any
electrical
component,
making
ohmmeter hecks, r replacing ny
parts.
All voltage
checks
should
be
made
with a voltmeter
aving
a full scale
ange
of
130volts
or higher.
After
service s
completed,
e
sure all
safety-grounding
ircuits
re complete,
ll
electrical
onnections
re secure,
nd
all
access
anels
re n
place.
TIMER
With
the timer,
user selects
he various
cleaning
yclesof the
dishwasher.
he
timer
controls
all
the electricalunctions
f
the dishwasher
n
all stages
of each
cycle.All functions
an be traced
on
the chart.Diagram
provided
n this
service
manual .
To
Test The
Timer
lf the
timer s
suspected
f faultyoperation,
eference
imerchart and
electrical
schematic iagram nd proceed s follows:
1. lndex
the timer
to the first increment
f
the
normal
cycle,
which s
a drain
period.
2. lf
the
pump
motor ails
o operate
during
he first
cycle ncrement,
heck
or
power
at the
pump
motor
connector
lock, f
there
s no
power
check
he door
latch
switch,
f
there s
power,
check
he
pump
motor as
described n
this
section.
3. lf
the
pump
motor
does
operate,et
he imermotor
advance he
imer
hrough
the drain ncrement
o determine
f
the timer motorand
drive rain
are fully
operative.
4. Let
the
timer advance,
or index
it forward
o the
portion
of the
cycle in
question.
5.
lf
a
component
ontrolled
y the timer ails
o function s
the timer
advances
through
he cycle,
heck or voltage
t the imer erminals.f the
checkvoltage
is
supplied o
the component,
heck
he component
as described
n this
section.
Continuity
hrough
imer
contacts,
other controls,
and wires can
also
be
checked
with
an ohmmeter
ith
electrical
ower
disconnected.
lf
the timers
contacts ail
to close n
the sequence
hownon the
timer
chart
are
burned
have
esistance
measurable
ith
an ohmmeter),
r
if
timer
does
not
advance utomatically,
eplace
he imer.
To
ReplaceTimer
1.
Disconnect
ishwasher
rom
lectricalupply.
2. Removehe imer nob.
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Figure
1
Figure
2
Remove
he
screwswhich
ocking
he control
panel
{See
igr.rre't). ernove
he knob
and
unscrew
he wo
screwswhich
ocking
he
timer on the control
pane "
{See
Figure
2.)
Take
down
he
darnaged
imer and
insbll
a
new
tirner,
evers6
procedures
o
cornplete
Figure
3
Figure 4
DOOR
LATCH
AND
SWITCI.I
A$SEIIilBLY
Tire latch
and
switch
are
located
n
the
docr assembly
behind
the control
panel.
The
dishwasher ill
not
operate
until lre
door
s
closed;
fre
atch
engages
he
door catch.
I'o lresf
Or Replace
Door
Switch.
1.
Disconnect
ishwasher
rom
electrical
supply.
2- Renrove
€re$/s
ecu*rg
thecontral
panei
o the innerdaor
{see
Figure1}.
3.
Remove
wire
eads
rorn latch
switcfi.
4,
Useohrnrneter
nd
check
switch or
ccntinuitu
5. lf the
$/vitch
ests s
good-
Check
dishwasher
eiectrical
powef.
Citeck o see if tirner s defective"
lf
switch s
defective emove
door
svrkch rom
latch
assennbly.
6.
lnstall
new
switcir
and
reyerce
procedures
o
cornplete
epairs.
To
Replace
Door Latctt
Assembly
1.
Disconnect
ishwasfrerrorn
dectrical
supply.
2.
Rernove
cr€ws
ecuri*g
jhe on rol
panel
o
the irrner
door.
3. Rernovewire
bads from
dsor
lakh
and
rernove
screwssecuring
door atchassembly
o
inner
door.
$ee
Figure
5.)
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Figure
5
4.
lns(allnew
door
atch
assembly
nd
reverse
procedures
o cornplete
epairs.
FLOAT
SWITCH
ASSEMBLY
The
water ioat
assembly
s located
n the night
ower
side
of the dishwasher
the
portable ocatedbehind he lower ront crosspiece).Whentoo much waterenter
the
dishwasher,
the
water will
enter the float support hrough he overflow
plpe,
the
float
will make
he
floating
switchacts,
he electrical upply
o the
water vatue
willdisconnected
nd the
drain
purnp
keep
on
working.
lf
the switch
ails
o
operate. heck he
following:
.
Looseconnection
at the switch erminal.
.
Switch
not installed
properly.
.
Warped
stem on
float, not
contacting he
actuator
blade.
.
Float
support
restricts
ree
float
movernent.
.
Check
f
the float
support
s
cracked.
.
Food
or
foreign
material
restrictinE
ree
float
rnovernent.
Figure 7
To Remove
Or Rrylace
Floaf
Swfch
1
Dlsconnectdishwasher
rom
ebctrical
supply.
2. Rernove
electrical
eads o float
switch.
3"
Take
down the
switch
ftorn float
support-
4^ Insbllnew loat
$vitchand
everse
rocedures
s
co'mp{ete
epairs
$ee
igure
}
.lf the rubber
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TROUBLESHOOTING
The
troubleshooting
heek ist
is common or
all dishwashermodels.
They
use different
parts
o
accomplish he
same hing and diagnosiswill
remain
imilar.
When
a
problem
arises,and
a
possible
cause is listed, ollow
the test,
remove
or
replace
procedures
as outline in this
service manual. The
wiring
diagram,
shematic and
timer
cycle
chat
is
a necessity when
making
electrical
hecks. n
most cases
an ohmmeter
will handle
all the
tests necessary.
For
checking any
particular
cycle of operation, t absolutely
necessary
that the
cycle be
set up as outlined
n the
product
owner's
guide.
SYMPTOM
CHECK HE
FOLLOWNG
REMENDY
Dishwasher
will not
operationwhen
tum on
efuse
blow
nor
tripped)
rSupply
line
receptacle,wiring
harness.
oTimer
contacts
open or burnt).
.Motor
(inoperative,
check
resistances).
oDoor
suritch
open
contacts)
oDoor
latch
not making
contact
with
door switch.
Replace use
or reset breaker.
Repair
or
replace.
Replace
imer.
Replacemotor.
Replace
door switch.
Replace
or adiust to make
contact.
Dishwasher
top washing
but draining
o
Overflow
occur. Check the reason of
overflow
pull
out the rubber
cap
wait for
a minute et water oour out.
Water
can't
pour
out from
float
support when
pull
out the rubber
cao.
o
Hole
in
the
float
supply
is
jammed.
Suck
with
dust
cleaneror other
let water
pour
out.
Dishwasher uns
but not
heat
.heater
elernent
open).
oTimer
contacts
open
or
burnt).
oWiring
or
terminal
(bumt
or
broken).
.
Thermostat s closed.
Replace
heater
element.
Replace
imer.
Repairor
replace.
Reolace.
Dishwasher
ill
not
stop.
rTimer
motor
inoperative).
rWiring
or terminal
(burnt
or
broken).
oTimer
open
or burnt
contact).
Replace imer.
Repairor replace.
Replace
imer.
Dishwasher runs with
door ooen
oDefective oor safetysuritch. Replacedoor safety switch.
Motor
hums
but
will
not
start
or run.
.start
winding(open).
.Motor
(bad
bearings or
locked
rotorl-
Replac€
motor.
Replacemotor.
Motor
trips
out on
in
terminal
thermal overload
protector.
.Start
relay not
dropping out.
.lmproper
voltage.
oSeal
aces
binding.
rMotor
shaft
binding.
oMotor
windings
shorted.
rGlass
or foreaontems n
oumo.
Replace tart relay.
Checkvoltage.
Repairor replace.
Repairor replace.
Repairmotor.
Clean
nd cleararea.
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Repeated
dishwasher
cycles
eTimer
contacts
pen
or burnt)
rMotor
(inoperative,
check
resistances).
Replace
imer.
Replace
imer.
Timer
does
not
advance
automatically.
.Timer
motor
stalled
r open).
rCheck
timer for
power
o timer
motor.
oTimer
shaft
binding
or knob
interferenceo escutcheon.
Replace
imer.
Replace
imer.
Repair
r adjust.
Dishwasher
will
not
fill
with water.
oWater
supply
turns
off.
rDefective
nlet
valve.
rCheck
valve
screen
for
obstructions.
rDefective
l oat
switch.
rTimer
contacB
(open
or burnt).
eWirinq
broken
or
burntl.
Turn
water
supply
on.
Replacenlet
valve.
Disassemble
nd
cleanscreen.
Replace
witch.
Replace
imer.
Repair
or replace.
lncomplete
water
ill.
oLow
water
pressure.
oClogged
water
inlet valve
screen.
rTimer
advanced
past
start of fill
cycle.
.Heavy
water
supply usage
elsewhere
n home,
rKinked or restricted fill hose,
water nlet
valve
o fill
tunnel.
Minimum
water
pressure
of
1sP.S.r
Clean
water nlet
valve
screen.
Instruct
customer/user
o
turn
timer
dial
to start indicator
mark.
Use
dishwasher
when
water
usage s
at
a
minimum.
Correctas needed.
Too
much
water ill.
.Water
inlet
fill valve
defective.
oTimer
ontacB
open
or burnt).
.Float
arm
binding
or
out of
adjustment.
oPossibility
ustomer/user
umed
timer
past
drain
cycle.
Replace ater
nlet
ill valve.
Replace
imer.
Repair,
djust
or replace.
Instruct
customer/user.
Dishwasher
ill
not
pump
out.
oDrain
pump
s restricted.
oDamaged
mpeller.
oWiring
or
terminal
(contacts
open
or burnt).
Clear estrictions.
Replace
rain
pump.
Replace
imer.
Water
siphons
out.
.Drain
hose
oop
o low.
oDrain
ine
connected
o a
floor
drainnot vented.
Move
o
proper
height.
Install
vent
air
gap
at counter
top.
Water
eaks. .Spray
arm not
rotating
or
split.
O
Overcharge
of water.
oTub
eal
(torn,
worn
or loose).
oDishwasher
door
not
sealing
properly.
oDishwasher
s not
evel_
oOverburden
(wrong
type of
detergent).
oHose
clamps
oose.
.Heater
element
mounting nuts
loose.
oWater
seal leaking.
oO-ring
s not n
position.
oMotor
and
pump
assembly not
seated
proper
n
tub liner
bottom.
Check
for
proper
rotation
or
replacesprayarm.
Check
and
correct for
proper
fi l l .
Replaceub
seal.
Adjust
door
latch
assembly
and/or
strike.
Level
dishwasher
properly.
Instructs
customer/user.
Tighten
all
clamps
securely.
Tighten
he nut.
Use a
new
water
seal.
Adjust the
ring
or
replace
a
new.
Replace
eal.
Poorwashability. .Spray arm not rotating.
olmproper
loading
of
dishes,
pans
and
other.
.Detergent
dispenser
noperative.
rlnsufficient
amount
of detergent.
Orthe
detergent
s old.
rDamaged
or
the impeller
is
broken.
.Detergent
not
dissolve.
Check or properrotation.
Instructs
customer/user
on
proper
loading
per
owner's
guide.
Repairor replace
dispenser.
On
proper
amount of fresh
deter
gent
o
use.
Replace
ump
assembly.
Incoming
water
temperature
of
140"F
is required
to
proper
dissolve
deteroent.
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Poor
drying
of dishes
olmproper
oading
of dishes,
pots
and other.
.Heating
element
open).
olncoming
water
emperature oo
low,
rWiring
or
terminal
(broken
or
burnt).
lnstruct
customer/usr on
proper
loading
per
owner' s
guide.
Replaceheatingelement.
lncoming water
temperature of
140"F or
bestdrying
esults.
Replaceor repair.
Detergentcup will not
open.
oCup binding
oRoll pin
retainer
or shaft broken.
oDefective
bi-metal.
rTimer
contact
(ooen
or broken).
Repairor replace.
Replace
pin,
retainer
or shaft.
Repair
or
replace.
Reolace imer.
Door will
not lath.
Door
latch
damaqed.
Replacedoor latch.
Rinse
agent iguid
will
not
eject.
.Electromagnetic
valve
defective.
rRinse
agent dispenser
not
mounted
correctly.
.Plunger
stuck or held in closed
oosition^
Replacevalve.
Mount
securely o
rear
of inner
door
panel.
Free
plunger
or adjust
plunger
release.
Rinseagent
iquid
eaks.
ocontainer
racker
or broken.
oDefective
eal on
plunger.
oOver
illing
container.
ReplaceGonEilner.
Replace
plunger.
Follow instructions n
owner's
manual.
Noisy
pump
assembly.
.lmpellers
not
properly
shimmed
or rubbing.
oPump
perts
not
properly
installed.
rDebris
in
bottom of tub sump
area.
oDefective
motor
bearinqs.
Use shim
gauge
furnished in
impeller
and seal kit, when
sealsare properlyshimmed he
impellers will
be
in
correct
operating
position.
Inspect
and correct.
Cleanout sump area.
Replacemotor.
Dishwasher
ontinues o
fill
or continues to till
even though in
case of
there is no
voltage o fill
valve.
oSomething
(dart
or foreign
material) under
diaphragm
in
water nlet valve.
rDefective
water nlet ill valve.
Clean water inlet valve
or
replace.
Replacewater inlet
valve.
Detergent left in
dispenser.
oDetergent
up
held or blocked
by argedishes.
.Disp€nser
wet
when detergent
was added.
On
proper
oading
dishes.
Instructs
customer/user.
Softener leaking
oSoftener
broken.
oSoftener
nut loosen.
Faeplace
onener.
Screw down softenercao.
Leaking orm
air
nlet.
.Air
inlet
nut oose.
oAir
nlet
nstalluo side down.
Screwdown air nlet nut.
Reinstall ir inlet orooerlv.
top related