LG · Ductless air conditioner
CH61
Power reset onlyalert
LG CH61 is an overheating-protection display for the outdoor unit in cooling or the indoor unit in heating.
Market, product family, and model applicability
US · en-US · LG cooling and heating air conditioners covered by the cited US guide
product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.
Check the official model/manual lookup (opens in a new tab)What you can do now
Clear exterior airflow or clean the accessible filter, then use the documented reset.
- Clear exterior obstructions and open an existing ventilation window or screen around the outdoor unit.
- In heating mode, clean the accessible indoor-unit filter according to the exact model instructions.
- Disconnect power for five minutes and restore it after the supported exterior check.
Stop and get service when
Repeated CH61 requires LG inspection.
- Request LG service if CH61 repeats.
Do not do
Do not move installed units, build or alter air guides, open panels, or work on electrical, fan, compressor, or refrigerant components.
Limit work to accessible filters and unobstructed exterior ventilation; do not move installed equipment or touch the heat exchanger.
If the message returns
If CH61 repeats after the supported checks and reset, request LG service.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- cooling and heat-pump air conditioners
- Official source last checked
- July 26, 2026
- Review status
- Automated evidence review completed · Owner-delegated approval
LG
[LG Air Conditioner] Guide to Error Codes · Official error-code index
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