er ff
Moderate
LG · Refrigerators
Freezer Fan Error
Quick Answer
Error code Er FF on your LG Refrigerators means: Freezer Fan Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Freezer evaporator fan motor has failed
  2. Ice accumulation on the evaporator coils is blocking the fan
  3. Fan blade is cracked or broken
  4. Wiring harness to the freezer fan has been damaged
  5. Defrost system failure causing ice buildup that obstructs the fan
How to Fix It
1
Unplug the refrigerator and remove the rear panel inside the freezer to access the evaporator fan
2
If there is excessive ice on the evaporator coils, the defrost system may have failed — defrost manually and investigate the defrost heater and thermostat
3
Inspect the fan blade for cracks or damage and replace if necessary
4
Test the fan motor electrically with a multimeter for continuity
5
Replace the evaporator fan motor assembly if it has failed
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
Freezer evaporator fan motor (LG part #4681JB1029B)
Fan blade (LG part #5901JA1032A)
Evaporator cover panel clips
Related Error Codes
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