GE WPRB9250 Technical Service Manual page 39

Model Display Test:
Displays the model type (S r or Jr) on the Digital Seven Segment Display (DSSD) upon entry. The
washer will display the model and the model selector group number on the DSSD when the START pad
is pressed and held during this test.
Software Version Number Test
Upon entering this test, the 3-digit software version number will be displayed on the DSSD. When the
START pad is pressed and held, the appliance will display E and the 2-digit EEPROM version number
on the DSSD.
Program EEPROM Test
Upon entering this test, EEP will be displayed on the Digital Seven Segment Display (DSSD). The
appliance shall reprogram the EEPROM from flash if the START pad is pressed during the test. A (key
press) beep will sound after successfully reprogramming EEPROM. The appliance shall display Err on
the DSSD and sound a warning beep if the EEPROM cannot be reprogrammed.
Display Error Codes Test
Upon entering this test, the most recent error code recorded in the fault log will be displayed on the
DSSD. If no errors are recorded in the fault log, E00 will be displayed. Pressing the START pad will
clear any displayed error codes from the fault log and will cause the next most recent error code
recorded to be displayed.
After clearing all errors from the fault log, the appliance shall display E00 on the DSSD.
User Interface Test:
Upon entering this test, all LED's and the LCD's (LCD models only) will be illuminated. The LCD model
will turn on the LCD backlight and display a 1x1 checkerboard pattern upon entry. Pressing the START
pad will scroll the LCD through the display patterns, as defined in the diagram below.
Enter User Interface Test
Press Start Key
1 X 1
1 X 1
Reverse
Checkerboard
Checkerboard
Press Start Key
Press Start Key
All Pixels Off All Pixels On
Press Start Key
Water Temperature Test:
Upon entering this test, the water sensor temperature in degrees Fahrenheit will be displayed on the
DSSD.
Lid Switch Test:
Upon entering this test, the lid switch state will be displayed on the DSSD. The washer shall display
OPn on the DSSD if the switch is open during this test. The washer shall display CLS on the DSSD if
the switch is closed during this test.
Hot Water Test:
Upon entering this test, the hot water valve will open and Hot will be displayed on the DSSD. The
washer shall close the hot water valve as the Hot Water Test is exited.
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