Lg Inverter Ac Error Codes May 2026

: Compressor Overheating . The discharge pipe temperature is too high.

: Communication Error . Specifically between the evaporator and condenser units. Quick Troubleshooting Steps Troubleshooting LG AC CH05 Error: A Quick Guide - Ftp Lg Inverter Ac Error Codes

: Input Voltage Error . The CT2 voltage input is too high (above 14 A). : Compressor Overheating

: Indoor Temperature Sensor Error . This usually indicates an open or closed circuit in the indoor air thermistor. Specifically between the evaporator and condenser units

: Communication Error . This is one of the most common codes, signifying a communication failure between the indoor and outdoor units. It often requires a technician to check for loose wiring or a faulty PCB.

: Inverter/Compressor Error . Points to a problem with the compressor power supply or phase.

: Discharge Temperature Error . The discharge temperature has exceeded 130°C, likely due to a faulty discharge thermistor or low refrigerant.