LG Refrigerator Er FF Error Code: Causes & Fixes

Quick diagnosis

What this code is telling you

Most likely trigger

Defective freezer fan motor

Recommended replacement

Freezer Evaporator Fan Motor

Diagnostic path

4 ordered checks

Part fit

Exact model number required

Safety first

Before opening the appliance

Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.

Read the full safety disclaimer

Root cause

Why the control reported this error

The refrigerator stores this fault when a monitored cooling, fan, sensor, defrost, or power condition falls outside its expected range. Begin with defective freezer fan motor; frost accumulation jamming fan blades and defrost system failure (heater or bi-metal) are additional causes to verify before replacing freezer Evaporator Fan Motor.

Symptoms

What you may notice

✓Freezer warming up
✓Frost buildup on back interior panel
✓No air blowing from vents

Possible causes

Check the most likely causes first

1
Defective freezer fan motor
Start here when it matches your symptoms.
2
Frost accumulation jamming fan blades
3
Defrost system failure (heater or bi-metal)
4
Control board relay fault

Diagnostic sequence

Work through these checks in order

Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.

1
Check 1
Perform full manual defrost to clear frozen frost around fan shroud.
2
Check 2
Remove freezer back cover and check fan rotation by hand.
3
Check 3
Disconnect electrical power before opening panels. Measure voltage supply at fan harness connector during cooling call.
4
Check 4
Replace freezer evaporator fan motor if power is present but blade refuses to spin.

Replacement part reference

Freezer Evaporator Fan Motor

Exact OEM part number

Model number required

Fitment note

The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.

Verify the appliance model before ordering.

Manufacturers can use different parts under the same error code across model families and production revisions.

Where do I find my model number? →

Search this replacement part on eBay →

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Common questions

Quick answers for this fault

What should I check first for Er FF?

Start with defective freezer fan motor. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.

Does Er FF always mean Freezer Evaporator Fan Motor is bad?

No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.

When should I stop troubleshooting Er FF myself?

Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.

Manufacturer reference

Verify against the official support source

FixCodeDB summarizes the fault in plain language. For model-specific instructions, confirm the guidance with the manufacturer and your appliance manual.

LG Refrigerator Er FF / Er rF — LG Support →

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