ERROR CODE EXPLAINED
LG Air Conditioner
LG Air Conditioner FL Error Code
What it means
The air conditioner detected a condensate drainage problem or a full condensate tank.
Try this first
- Turn the air conditioner off.
- Disconnect power.
- For a portable or window unit, drain the condensate from the lower drain port.
- Securely reinstall the drain cap.
- Restore power after about 5 minutes.
Can I keep using it?⚠ Drain condensate before continuing
Repair usually required?✅ Usually no
If the error keeps returning
If FL returns after the recommended troubleshooting, LG recommends inspection or 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.