Download - Troubleshooting Presentation Jun'13
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7/28/2019 Troubleshooting Presentation Jun'13
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July2013
Version2.4
Troubleshooting Guidelines
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7/28/2019 Troubleshooting Presentation Jun'13
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Troubleshooting
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Troubleshooting can be divided into several ways:
MX scanner hardware related
SeeHawk operation related
RF measurement related
We will try to cover several general cases as future reference of engineers
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7/28/2019 Troubleshooting Presentation Jun'13
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WhyMy
MX
Does
Not
Power
Up
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When power cable is connected to the
Cigarette Light socket in the vehicle, power
switch is on the ON position but no light is
observed.
Does the fan work? If so, perhaps the
LED is broken
In case of no light and no fan, check thelight on the cigarette light plug, does
the LED light up? If not, screw the head
off and check the fuse, if fuse is blown,
replace a fuse
If the fuse on the cigarette light plug isnot blown, check the car fuse of the
cigarette light socket, replace it if it is
blown
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WhyMXCannotBeDetected
BySeeHawk?
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After connecting MX to laptop and launch
SeeHawk, the autodetection runs for a few
minutes but it prompts no hardware
detected
Make sure the status LED on the MX
front panel is steady green. MX takes a
few minutes to initialize, SeeHawk canonly detect MX when the status light is
steady green
If the light is green but SeeHawk cannot
detect it, check (i) MX driver is installed
properly (check hardware device
manager); (ii) USB cable is secured or
try another USB cableCanyouseethePCTELMXScanner?
IsthestatusLEDsteadygreen?
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7/28/2019 Troubleshooting Presentation Jun'13
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WhyMyWCDMATopN
Windowis
Blank?
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After entering the channel number and
configure the Top N scan, open a bar chart
of the WCDMA TopN but no pilots is
showing after starting the scan
Check if the correct channel number is
set, pilot will only show when the
correct center carrier frequency is set Check the antenna connection, make
sure the antenna is connected to the
correct RF port of the scanner
Check the status LED on the scanner, is
it steady green? Does the COM, DATA
and SCAN indication on SeeHawk
show all green?
IstheRFportcorrectlyconnected?
Arealltheindicatorsgreen?
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7/28/2019 Troubleshooting Presentation Jun'13
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AmIGetting
A
Pilot
Pollution?
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Different operators may have a
different definition of Pilot
Pollution
In SeeHawk there is a pre
defined Pilot Pollution Pilot
Count , which definition is
there are more than 3 pilotswhich Ec/Io is > 10dB
Some operators will define as
more than 3 pilots which Ec
(or RSCP) is within 13dB range
of the strongest detected
pilot
What is your definition?
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7/28/2019 Troubleshooting Presentation Jun'13
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AmIGettingAnExternal
Interference?
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External interference usually
appear as a very narrow band
signal, in a WCDMA system, you
may be able observe a spike
appear on top of a WCDMA
wideband signal.
Also if you turn off the BTS,and unwanted signal has
been detected, it can be
classified as an external
interference.
DoyouobservetheunwantedsignalwhentheBTSisoff?
Interference
e.g.InterferingGSMsignalonaWCDMAband
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7/28/2019 Troubleshooting Presentation Jun'13
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SeeGullAssistant
Program
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PCTEL provides SeeGull Assistant
as a scanner update utility used to
update SeeGull scanners.
When you connect to a scanner, launch
SeeGull Assistant, click the Detect Scanner
button (red box), then information of the
scanner will be shown on the right
Click the Save Scanner Info To File button
(pink box) to save the information on theright to a text file (sometimes during
troubleshooting with PCTEL engineer, such
text file will be required, so you can send the
saved file to PCTEL for troubleshooting
purpose)
If downloading a file is required (for enabling
/ disabling feature or loading firmware), clickthe Select Update File button (green box)
and select the file PCTEL provide
Click the Download Update button (brown
box) to start the file download, make sure
input power is stable without interruption
during downloading
IfyoudonothaveacopyoftheSeeGullAssistantprogram,youcanalways
downloaditfromthePCTELsupportwebsite:
http://rfsolutions.pctel.com/artifacts/SeeGullAssistant1.4.2.8.zip
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RMAProcedures
Repair
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PCTEL MX scanner has a 3year warranty
period, within the first 3 year, if the
scanner is found faulty, it can be returned
to PCTEL US facility with a freeof
charge
repair
Warranty will be revoked if the fault is caused by
human, tempered by human or warranty seal is broken
For inwarranty repair customer is responsible to pay
for the shipping to send the unit to US for repair, while
PCTEL will pay for the shipping of returning the repaired
unit
For outofwarranty repair customer is responsible to
pay for shipping both ways
If scanner is found faulty, customer should first contact
PCTEL for primary troubleshooting to make sure unit is
bad, then one can fill in the online RMA request form
Upon receiving the RMA request, PCTEL will issue a
RMA document to customer, then customer can send in
the faulty unit together with a printed copy of RMA
document
CustomercanfindonlineRMArequestformatthebelowlink:
http://rfsolutions.pctel.com/content.cgi?id_num=255
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RMAProcedures
Calibration
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PCTEL recommends MX scanner to be
calibrated every 2 years, customer can
choose to have the unit calibrated at our
PCTEL US headquarter facility or
authorized calibration house in Malaysia
Calibration service is a paid service no matter scanner is
under warranty or not
Customer is responsible to pay for shipping both ways
Customer needs to fill in the online RMA request form
the same way as doing repair
Upon receiving the RMA request, PCTEL will issue a
RMA document to customer, then customer can send in
the faulty unit together with a printed copy of RMA
document
Upon calibration of the scanner, PCTEL will provide a
printed copy of calibration certificate together with
the calibrated unitCustomercanfindonlineRMArequestformatthebelowlink:
http://rfsolutions.pctel.com/content.cgi?id_num=255
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Thankyou
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