Model reference
LG CRUN
Air Conditioner
1 document34 error codes6 service modes
Available documentation
Service Manual
- Air Conditioner Service Manual - Heat Pump Air Conditioner SVC MANUAL MODEL: CRUN/CRNN Series245 pg
MyPros+ Max
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Error codes (34)
CodeMeaning
01Indoor unit air sensor open or short circuit detected.02Indoor unit inlet pipe sensor open or short circuit detected.03Wired remote controller to indoor unit transmission error04Drain pump malfunction05Outdoor unit to indoor unit transmission error06Indoor unit outlet pipe sensor open or short circuit detected.07Indoor unit is operating in a different mode than other connected indoor units…09Serial number error21DC peak22Max CT23DC link24High pressure25Low/over voltage32Inverter compressor discharge temperature error33Constant speed compressor discharge temperature error34High pressure35Low pressure40CT sensor open or short.41Inverter compressor discharge pipe sensor open or short.42Low pressure sensor open or short.43High pressure sensor open or short.44Outdoor unit air sensor open or short.45Outdoor unit pipe sensor (left) open or short.46Suction pipe sensor open or short.47Normal (constant speed) compressor discharge pipe sensor open or short.48Outdoor unit pipe sensor (right) open or short.49Voltage sensor open or short.51Indoor connection over capacity52Transmission error from inverter PCB to main PCB in outdoor unit53Transmission error from indoor unit to main PCB in outdoor unitService modes (6)
- Automatic Addressing (CRUN1008T1)["Wait 1 minute after power on.","Press switch SW02M on outdoor unit for 5 seconds.","7-segment on…
- Automatic Addressing (CRUN458S1)["Wait 1 minute after power on.","Press switch SW01M on outdoor unit for 5 seconds.","LED01C turns…
- Forced Operation (Convertible type)["Press the Forced Operation Button.","Unit operates in low fan mode for first 15 seconds, then…
- Forced Operation (Wall Mounted / Art Cool types)["Open the front panel upward.","Press the power button once.","Unit will auto-select mode based on…
- Test Operation (Convertible type)["Press the forced operation switch and hold for about 3 seconds.","Unit operates in cooling mode…
- Test Operation (Wall Mounted / Art Cool types)["Open the front panel upward.","Press and hold the power button for approximately 3…
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