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
- Check refrigerator and freezer temperatures and move vulnerable food if cooling is reduced.
- Model note
- LG uses E FF or Er FF for an abnormal freezer-compartment fan motor condition. LG’s long door-open defrost timing varies by season and may not suit every storage situation, so protect food and confirm the exact model guidance first.
Confirm the symptom
What usually appears with FF / Er FF
- E FF, Er FF, or FF appears on the refrigerator display
- Freezer airflow or cooling is reduced
- A fan sound is absent, intermittent, or changes near the freezer
- The code clears for a short time and returns as frost builds
Likely causes
Why FF / Er FF appears
- 01Frost is blocking the freezer fan
- 02Freezer fan motor fault
- 03Fan wiring or control fault
Observation-led diagnosis
Start with what you can actually see
An error code identifies a system, not a replacement part. Match the observable condition before deciding what to check next.
| What you observe | What it suggests | Safest next move |
|---|---|---|
| The code appeared once and temperatures remain normal | The freezer fan may have stopped temporarily | Owner checkUse LG’s five-minute power reset once and monitor both the code and actual temperature. |
| Visible frost or ice is heavy around freezer air passages | Ice may be preventing the freezer fan from turning normally | Owner checkMove food first and use only LG’s model-appropriate defrost guidance; do not chip at hidden fan parts. |
| The freezer is warming or food is softening | The fan fault is affecting safe storage temperature | Stop and serviceMove food to reliable cold storage and arrange prompt service. |
| E FF returns after the five-minute reset | The fan motor, frost condition, wiring, or control requires inspection | Stop and serviceRequest LG service rather than repeatedly clearing the display. |
Safe diagnostic path
What to check, in order
- 01
Check refrigerator and freezer temperatures and move vulnerable food if cooling is reduced.
- 02
Unplug the refrigerator or switch its dedicated breaker off for about five minutes.
- 03
Restore power once and watch for the same code and cooling response.
- 04
If the code returns, arrange LG inspection; use a long door-open defrost only if the exact model guidance supports it.
Know when to stop
Don’t push past this point
Arrange service if the fan code returns or cabinet temperature rises.
- Do not chip frost with knives, picks, or heat guns.
- Do not leave perishable food in a warming cabinet.
- Do not access fan wiring or internal covers while the refrigerator is powered.
Primary source
How this page was checked
The code meaning and manufacturer-specific guidance were checked against the linked support material on August 31, 2026. Confirm details against the manual for your exact model before removing panels or parts.
Read LG USA: E FF and E rF fan-error 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?
LG recommends disconnecting power for about five minutes. A returning E FF means inspection is necessary; the reset does not remove a recurring ice blockage or repair a fan motor.
Does FF / Er FF mean the same thing on every LG model?
LG uses E FF or Er FF for an abnormal freezer-compartment fan motor condition. LG’s long door-open defrost timing varies by season and may not suit every storage situation, so protect food and confirm the exact model guidance first.
When should I stop troubleshooting FF / Er FF?
Arrange service if the fan code returns or cabinet temperature rises.