GE DCCH480EK Technical Service Manual page 46

The following tables shows the diagnostic tests and the button sequence that is required to perform them.
Service Test Mode
t01 Software Version
t02 Error Codes
User Interface
t03
Test
t04 Door Switch Test
t05 Dryer Motor Test
t06 Thermistor 1 and
1600 W Heater
Test
t07 Thermistor 2 and
600 W Heater
Test
t08 Moisture Sensor
Test
t09 Water Sensor and
Pump Test
Sequence
Displays software version number
START/PAUSE
Returns to service mode screen
POWER
START/PAUSE Displays software version number
START/PAUSE Clears highlighted error code from
machine (During t02 test)
POWER Returns to service mode screen
START/PAUSE Lights up LEDs
Any button but Beeps as button is pressed (During t03
POWER test)
POWER Returns to service mode screen
START/PAUSE Display shows "d0" or "00"
POWER Returns to service mode screen
START/PAUSE Rotates dryer motor
POWER Returns to service mode screen
START/PAUSE Displays temperature and rotates
dryer motor
POWER Returns to service mode screen
START/PAUSE Displays temperature and rotates
dryer motor
POWER Returns to service mode screen
START/PAUSE Displays status of the touch sensors
POWER Returns to service mode screen
START/PAUSE Displays water level and turns on the
pump
POWER Returns to service mode screen
– 46 –
Note
"d0" = door is open
"00" = door is closed
"on" = motor rotate
"d0" = door is open
Heater turns on for
a maximum of 5
minutes.
Heater turns on for
a maximum of 5
minutes.
Touch the sensor
with hand:
"1" = be detected
"0" = not detected
Turns off drain
pump when water
level sensor detects
empty.
Maximum pump
work time is 1
minute.
"1" = detected
"0" = not detected