ERROR CODE EXPLAINED
LG Air Conditioner
LG Air Conditioner CH07 Error Code
What it means
Connected indoor air-conditioning units are operating in conflicting heating and cooling modes.
Try this first
- Check the operating mode on each connected indoor unit.
- Set all connected units to compatible modes.
- Heating must not be operated at the same time another connected unit is cooling or dehumidifying.
Can I keep using it?✅ Correct the operating modes
Repair usually required?✅ Usually no
If the error keeps returning
If CH07 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.