LG Fault Code C2 or CH02

Fault: Outdoor temperature sensor open or closed circuit – Outdoor air or piping temperature thermistor error

Applies To: LG Split System Air Conditioner

When error codes appear on the LG AC remote control or the LG AC LED panel wall unit, this tells the user there’s a problem with the LG AC unit. The error code that is displayed will tell you the issue or problem that is occurring with the AC.