GE GFWS2500 Technical Service Manual page 24

Test 19 Mc Critical
Software Version
Check
Test 20 Inverter Critical
Software Version
Check
Test 21 Fault Codes
Test 22 Clear Fault Codes • Press the Start key to begin the test.
Test 23 Clear EEPROM
Test 24 Slow Ramp Test
• Press the Start key to begin the test.
• Major software version of the MC software is displayed in the display
for 1 second and the Extra Heavy LED is on.
• Minor software version of the MC software is displayed in the display
for 1 second and the Heavy LED is on.
The display will continue to toggle between the 2 versions until the user
exits the test.
• Press the Start key to begin the test.
• Major software version of the Inverter software is displayed in the
display for 1 second and the Extra Heavy LED is on.
• Minor software version of the Inverter software is displayed in the
display for 1 second and the Heavy LED is on.
The display will continue to toggle between the 2 versions until the user
exits the test.
Fault codes are displayed in HEX format. No fault codes will display "- - -".
• Press the Start key to begin the test.
• The fi rst fault code found in the fault code log is displayed in the
display.
• Each press of the Start key will advance to the next fault code.
Note: Fault Codes are cleared in Test 22.
• If error codes are present Er will be displayed in the display. If no error
codes are present "- - -" will be displayed in the display.
• Pressing and holding the Start key for 3 seconds sounds a tone and
clears the fault codes from memory. When the fault codes have been
cleared, "- - -" will be displayed in the display.
• Press the Start key to begin the test.
• EE will be displayed in the display.
• Pressing and holding the Start key for 3 seconds sounds a tone and
resets the EEPROM. When the EEPROM has been reset, "- - -" will be
displayed in the display.
Note: Clearing the EEPROM will clear all existing fault codes but the model
ID code will remain unchanged.
• Press the Start key to begin the test.
• If water is present at the start of the test, the tub will be drained to
empty.
• After the door is locked the motor will ramp up to 1250 RPM at 2 RPM
per second. The spin speed will be displayed in the display.
Note; The seven segment display is only capable of displaying values from
000 - 999. To compensate for this, an A is used in the hundreds position to
represent 1000, a b is used in the hundreds position to represent 1100, and
a C is used in the hundred position to represent 1200. Ex. C11 = 1211 RPM.