GE PFWS4600L0, Technical Service Manual

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Service Mode Test Sequence
t01 Con fi gure UI Enter Displays “con fi gure UI.”
Power Returns to service mode screen.
t02 Error Codes Enter Displays error codes.
Start/Pause Clears highlighted error code from machine.
Power Returns to service mode screen.
t03 Version Info Enter Displays the current version of software.
Power Returns to service mode screen.
t04 Vibration
Test
Enter Spins up to 1300 rpm; then goes back to service mode screen.
Power Interrupts and returns to service mode.
t05 EEProm Test Enter Displays “test in progress” for a while; then displays UI Memory status.
Start Displays PB status.
Power Returns to service mode screen.
t06 UI Test Enter Lights up LEDs on the left side of UI and VFD; then lights up the right
side LEDs.
Power Returns to service mode screen.
t07 Key
Continuity
Enter Begins testing.
Any Button
but Power Beep sounds as button is pressed.
Power Returns to service mode screen.
t08 Pump Test Enter Begins running the drain pump.
Power Interrupts draining and returns to service mode.
t09 Water Level
Sensor
Enter Unit begins to drain. When draining is complete, displays “Tub Empty.”
Start Fills to foam level. Displays “Tub Empty” until fi ll is complete; then shows
“Foam Level.”
Start Fills to normal level. Displays “Foam Level” until fi ll is complete, then
shows “Normal Wash Level.”
Start Fills to over fl ow level. Display shows “Normal Wash Level” until fi ll is
complete. When over fl ow level is reached, the pump begins to drain out
the water.
Power Drains and returns to service mode.
t10 Temp Sensor
and Heater
Enter Displays “baseline” and “current” temperature. Unit fi lls with water and
gets heated.
Power Drains and returns to service mode screen.
t11 Hot Water
Valve Test
Enter Fills with hot water. Display shows “Hot Water On.”
Power Drains and returns to service mode screen.
t12 Cold Water
Valve Test
Enter Fills with cold water. Display shows “Cold Water On.”
Power Drains and returns to service mode screen.
t13 Tumble Test Enter Unit tumbles.
Power Returns to service mode screen.
(Continued Next Page)
The following tables show the diagnostic tests and the button sequence that is required to perform them.