ERROR CODE EXPLAINED
LG Range / Oven
LG Range / Oven F20 Error Code
What it means
The lower oven door-locking system reported a failure.
Try this first
- Press CLEAR/OFF or Power to clear the indication.
- Try the original function again.
- If the code returns, turn the range circuit breaker off.
- Wait at least 30 seconds.
- Restore power and test the range again.
Can I keep using it?⚠ Reset before continued troubleshooting
Repair usually required?⚠ Service may be required if the code returns
If the error keeps returning
If F20 returns after the manufacturer reset procedure, LG recommends repair service.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.