LG Refrigerator Error Code FF: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

LG refrigerator error code FF means: There's a freezer fan motor issue, often ice build-up blocking the fan. [1] Keep using it? No: defrost first. Start with the owner checks below, beginning with: move food.

Quick facts

Code	FF
Also shown as	Er FF, E FF
Brand / appliance	LG refrigerator
System	Heating
Official meaning	There's a freezer fan motor issue, often ice build-up blocking the fan. [1]
Keep using it?	No: defrost first
DIY-safe?	Owner checks only (listed below)
Support	LG USA Support (lg.com/us/support)

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code FF means on an LG refrigerator

There's a freezer fan motor issue, often ice build-up blocking the fan. [1]

This is a heating code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix LG refrigerator error code FF (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on LG's published guidance [1], rewritten for clarity.

Move food. Move food to a backup fridge or cooler.
Unplug. Unplug the refrigerator.
Defrost. Leave both doors fully open for at least 8 hours.
Dry. Wipe up melt water with towels.
Restart. Plug it back in. It can take 24–48 hours to reach temperature.
Prevent. Keep vents clear, keep the unit level, and close doors fully. Check the gaskets on French door models.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

The error returns
Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact LG USA Support (lg.com/us/support) first

Frequently asked questions

What does error code FF mean on an LG refrigerator?

LG lists FF as follows: There's a freezer fan motor issue, often ice build-up blocking the fan.

Is it safe to keep using the refrigerator with FF?

No: defrost first.

Can I fix LG refrigerator error FF myself?

Only with the owner checks on this page, starting with: move food. If it persists, call a technician or LG USA Support (lg.com/us/support).

Is Er FF the same as FF?

Yes. LG's documentation lists Er FF, E FF with the same meaning as FF; the display format depends on the model.

Sources

https://www.lg.com/us/support/help-library/lg-refrigerator-error-code-list--20155159406537 (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with LG.