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Thomas HicksSep 7, 2025
What to do if my LG ARNH08GK3A2 Air Conditioner shows indoor unit & inverter PCB communication error?
- SStephanie RamirezSep 7, 2025
If your LG Air Conditioner displays 'Indoor unit & inverter PCB communication error', it means there is no signal communication between the indoor unit and the inverter PCB. Ensure proper communication between the indoor unit and inverter PCB to resolve this.