LG · Ductless air conditioner
CH07
Normal status or functionoperating-mode message
LG CH07 indicates conflicting heating and cooling modes across connected 2-in-1 or ceiling-type air-conditioning units.
Market, product family, and model applicability
US · en-US · LG 2-in-1 heating/cooling and multi-room ceiling-type systems 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
Align the operating modes across connected units.
- Set all connected units to compatible heating or cooling/dehumidification modes.
Stop and get service when
If CH07 remains after supported modes are aligned, contact LG support.
Do not do
Do not open panels or alter electrical or refrigerant connections.
Use control settings only; do not inspect wiring or communication lines.
If the message returns
Contact LG support if CH07 remains after aligning the operating modes.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- connected 2-in-1 and ceiling-type 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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