LG · Ductless air conditioner
CH38
Power reset onlyalert
LG CH38 warns that a covered air conditioner may be low on refrigerant.
Market, product family, and model applicability
US · en-US · LG split-system 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
Contact the installer after installation or relocation; during normal use, use the documented reset and contact LG if CH38 returns.
- For a display during normal use, disconnect power for five minutes and restore it.
Stop and get service when
Use the installer for installation-related CH38 and LG service for a returning normal-use display.
- Contact the installation technician when CH38 follows installation or relocation.
- Contact LG support if CH38 returns after the reset.
Do not do
Do not handle refrigerant, inspect sealed-system components, or alter piping.
Refrigerant and piping inspection are professional-only.
If the message returns
Contact the installer or LG service according to when CH38 appeared.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- split-system 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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