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LG Wall-mounted split systems error codes
Official LG support guidance for wall-mounted and inverter split air conditioners that show CH and E-series error codes on the indoor unit or remote.
Based on LG USA support articles for wall-mounted and related inverter split air conditioners; exact indicators and alternate code labels can vary by model.
Wall-mounted inverter split air conditioners2-in-1 heating and cooling air conditioners
Brand
LG
Model series
Wall-mounted split systems
Guides in this series
4
Start here
CH05
Communication between the indoor and outdoor units is unstable or interrupted.
CH10
The indoor unit fan has a fault or is not operating normally.
CH38
The air conditioner may be low on refrigerant.
CH93
Communication between indoor and outdoor units is failing, often during test run or when outdoor power is missing.
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