LG Refrigerators error code
Freezer fan fault
The freezer fan is not operating normally, sometimes because frost has blocked the fan.
Also shown as: E FF, Er FF
Direct answer
FF / Er FF at a glance
- Meaning
- Freezer fan fault
- Urgency
- Service recommended
- First safe check
- Move food to safe cold storage if needed.
- Model note
- Confirm the code and access instructions in the manual for your exact model.
Likely causes
Why FF / Er FF appears
- 01Frost is blocking the freezer fan
- 02Freezer fan motor fault
- 03Fan wiring or control fault
Safe diagnostic path
What to check, in order
- 01
Move food to safe cold storage if needed.
- 02
Disconnect power for five minutes and restore it once.
- 03
If the code returns, arrange LG service.
- 04
Only perform a full manual defrost if the model guidance specifically instructs it.
Know when to stop
Don’t push past this point
Arrange service if the fan code returns or cabinet temperature rises.
Primary source
How this page was checked
The code meaning and manufacturer-specific guidance were checked against the linked support material on August 28, 2026. Confirm details against the manual for your exact model before removing panels or parts.
Read LG USA: E FF and E rF guidance ↗Common follow-up questions
About LG code FF / Er FF
What does FF / Er FF mean on a LG refrigerators?
FF / Er FF means “Freezer fan fault.” The freezer fan is not operating normally, sometimes because frost has blocked the fan.
Can I clear FF / Er FF by resetting the appliance?
A reset may clear a temporary alert, but it does not correct the underlying condition. Start with the safe checks above and stop if the code returns. Arrange service if the fan code returns or cabinet temperature rises.
Does FF / Er FF mean the same thing on every LG model?
Not necessarily. Display codes can vary by model and product family, so confirm the meaning and access instructions in the manual for your exact model before removing covers or parts.
When should I stop troubleshooting FF / Er FF?
Arrange service if the fan code returns or cabinet temperature rises.