ERROR CODE EXPLAINED
LG Range / Oven
LG Range / Oven F9 Error Code
What it means
LG identifies F9 as an upper oven not heating properly.
Try this first
- Press CLEAR/OFF and try the original function again.
- If the code returns, turn the circuit breaker for the appliance off.
- Wait 30 seconds.
- Turn the circuit breaker back on.
- If F9 returns, request service.
Can I keep using it?If the code clears after the manufacturer reset, retry the original oven function.
Repair usually required?Request service if F9 returns after the specified reset.
If the error keeps returning
Use the linked official LG Help Library article for the manufacturer procedure.
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.