GE refrigerator Error Code dE

What does dE mean?

Defrost system has failed or defrost cycle did not complete.

Common causes

• Failed defrost heater
• Failed defrost thermostat
• Control board issue
• Defrost timer failure

Diagnostic & testing steps

1. 1. Check evaporator for frost buildup
2. 2. Test defrost heater: 20-50 ohms
3. 3. Test defrost thermostat
4. 4. Force defrost mode to test system
5. 5. Check main board defrost relay

Tools required

• Multimeter

OEM parts & part numbers

Defrost Heater, Defrost Thermostat

Part numbers: WR51X10055, WR50X10068