LG heat pump water heater error codes

Pick your series. Codes differ between generations, so match the model number on the rating label.

• Inverter heat pump (2020 manual)26 codes · Control panel display screen with Mode / Set / Up / Down buttons; air filter alarm icon; error code shown as a number or letters per the Error Code table.
• Inverter heat pump APHWC501M / 801M (2024–2025 manuals)28 codes · Control panel display screen with Mode / Set / Up / Down buttons; air filter alarm icon; error code per the Error Code table.