LG Refrigerator Evaporator Fan Motor
Replacement freezer fan motor for recurring Er FF.
$70
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Er FF on an LG refrigerator means the freezer evaporator fan has stopped. Without it, cold air can’t circulate — both the freezer and fridge sections will warm up. This is one of the most common LG fridge errors. Unplugging for 24 hours fixes it in most cases because the culprit is ice frozen around the fan blade, not a failed motor.
Quick Reference
| Code | Meaning | Severity | DIY or Call |
|---|---|---|---|
| Er FF | Freezer fan not rotating | Medium | DIY |
| Er FF repeat | Defrost / fan failure | Medium | DIY |
| Er FS | Freezer sensor | Medium | DIY |
What This Error Means
The evaporator fan sits behind the back panel of the freezer. It moves cold air from the evaporator coils through the freezer and up to the refrigerator section. Er FF means the control board isn’t detecting the fan spinning — either because ice has locked the blade, or the motor has failed.
Common Causes
- Ice buildup on the fan — Most common. Frost accumulates around the blade and freezes it solid. Very common on LG French door models.
- Failed fan motor — The motor has burned out or seized
- Failed defrost system — Defrost heater or thermostat failure allows frost to build unchecked
Step-by-Step Fix
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Unplug the refrigerator for 24 hours. Move food to a cooler. Leave the freezer door slightly open. This melts any ice around the fan blade. After 24 hours, plug back in. This single step resolves Er FF in the majority of cases.
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Listen after restart. Within 10–15 minutes of plugging back in, the fan and compressor should run. Hold your hand near the freezer back wall — you should feel cold air moving.
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Access the fan if Er FF persists. Empty the freezer, remove shelves and drawers, unscrew the back interior panel (4–6 screws). The fan is behind this panel. Try spinning the blade by hand. If it doesn’t spin freely, the motor has failed.
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Replace the fan motor. Disconnect the wiring harness, remove the mounting screws, swap in the new motor.
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Check defrost components if Er FF returns. If Er FF comes back after fan replacement, the defrost heater or defrost thermostat has failed — frost will build back up. Test both with a multimeter for continuity.
Parts You May Need
- LG refrigerator evaporator fan motor
- LG refrigerator defrost heater
- LG refrigerator defrost thermostat
- LG refrigerator water filter LT700P
When to Call a Technician
LG extended warranties on some French door models due to known sealed system issues. Check LG’s site with your model number. If the compressor itself is failing — fridge is warm even with the fan running — that requires a licensed technician.