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Error charts – GE DPGT750EC/GC User Manual

Page 43

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PROBLEM

ERROR DISPLAYED FOR CUSTOMER

ERROR DISPLAYED IN SERVICE MODE

POSSIBLE CAUSE(S)

POSSIBLE REPAIR REQUIRED

Flash ROM

EEPROM

No error displayed. Dryer will continue to

operate normally unless checksum errors

are found on parameters critical to safe

operation of the unit. Standard problem

screen will be displayed if unsafe

condition exists.

Screen will display

"FLASH ROM is

reading or writing improperly"

Checksum errors have been

found. Data is not being

stored correctly in control.

1.) Main control board

Inlet

Thermistor

No error displayed. Dryer will default to

controlling temperature using the inlet

thermostat and cycling the heater on and

off.

Screen will display

"There is a problem

with the inlet thermistor. Please check

and replace if necessary"

Thermistor reading is out of

expected range.

1.) Check wiring connections

between inlet thermistor and

inverter board

or

2.) Inlet thermistor

or

3.) Inverter board

Outlet

Thermistor

No error displayed. Heater will be limited

to 60% of maximum power.

Screen will display

"There is a problem

with the outlet thermistor. Please check

and replace if necessary"

Thermistor reading is out of

expected range.

1.) Check wiring connections

between outlet thermistor and

inverter board

or

2.) Outlet thermistor

or

3.) Inverter board

Moisture

Sensor

No error displayed. Dryer will operate

using timed drying for all cycles.

Screen will display

"There is a problem

with the moisture sensor. Please check

and replace if necessary"

Control has determined the

moisture sensor rods are

shorted.

1.) Check wiring connections

between moisture sensor and

inverter board

or

2.) Moisture sensor

or

3.) Inverter board

Heater

No error displayed. Dryer will operate

using Air Dry for all cycles.

Screen will display

"There is a problem

with the heater. Please check and

replace if necessary"

After each of the thermistors

have been checked and no

heating is detected by either

thermistor, even though the

control turned the heater on,

the error will be displayed.

1.) Check wiring connections

or

2.) Heater

or

3.) Thermostats

or

4.) Inverter board

Error Charts