Frigidaire refrigerator Error Code dF

What does dF mean?

Defrost cycle did not complete.

Common causes

• Failed defrost heater
• Failed bimetal
• Failed defrost thermistor

Diagnostic & testing steps

1. 1. Force defrost via service mode
2. 2. Test heater (~30-50 ohms)
3. 3. Test bimetal at low temp
4. 4. Replace failed component

Tools required

• Multimeter

OEM parts & part numbers

Defrost Heater, Defrost Bimetal

Part numbers: 241621502