GE Profile PTWN8055MMS, Technical Service Manual

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Troubleshooting
The washer control has a service test mode that can be utilized by the service technician to test critical
components and to access error codes. This service test mode will help the service technician to quickly
identify failed or improperly operating washer components.
To enter the service test mode: To exit the service test mode:
With the power connected and in the idle state (all
LCD and LED indicators off):
1. Press and hold the SPIN and the TEMP
buttons, then press the POWER button.
2. If the control does not enter the t1 test mode
described below, the step 1 sequence was
not executed correctly.
3. Press the POWER button to clear the display,
then repeat step 1.
4. Rotate the selector knob to navigate from
test to test.
5. Press the START/PAUSE button to enter a
test.
6. To end a test and navigate to another test,
rotate the selector knob.
• Press the POWER button from either the menu
screen or while a test is running in the service
test mode.
• Disconnect power from the washer.
Note: If no key is pressed for 15 minutes, the control
will automatically exit the service test mode and
enter the idle state.
Service Test Mode
Test Mode Test Description
t1
Software Version Press start button once to display power board
software version. Press start a second time to view
display/logic board software. All control panel LEDs should
be illuminated as part of test.
t2 Error Codes Press start button to display error codes. E00 will be
displayed if there are no codes in the system. EEprom will
store up to 5 error codes and will continuously display
them in chronological order on the display screen. To
clear error codes, press start pad while errors are being
displayed. Turn selector knob to exit test.
t3
Button / Pad Check Buttons or pads should light and beep when pressed. Each
time a button or pad is pressed, the display will change
from “111” to “222” then “333” and on and on……
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