LG · Air Conditioning
This fault code signifies that the inverter compressor's input current has exceeded 30A. This is a protection mechanism to prevent damage to the compressor.
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Turn off the power supply to the air conditioning unit.
Inspect the outdoor unit for any signs of damage or unusual noise.
Perform a power reset by unplugging the unit for 1 minute.
Contact a qualified technician if the over-current condition persists.