df
Moderate
Frigidaire · Refrigerators
Defrost Failure - Complete Defrost System Failure
Quick Answer
Error code dF on your Frigidaire Refrigerators means: Defrost Failure - Complete Defrost System Failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Unplug the refrigerator and remove the rear panel inside the freezer to access the evaporator
2
Note the extent of frost/ice buildup on the evaporator coils
3
Manually defrost by leaving the unit unplugged with doors open for 12-24 hours
4
After defrosting, test the defrost heater for continuity (should read 20-50 ohms)
5
Test the defrost thermostat for continuity when cold, and test or replace the defrost control board
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Defrost heater (model-specific)
Defrost thermostat/bi-metal
Defrost control board
Evaporator drain clip or heater (to prevent drain refreezing)
Related Error Codes