LG · Ductless air conditioner
CH10
Safe checks availableService if the code returnserror code
LG CH10 indicates an issue with the indoor-unit fan.
- Display form
- CH10
- Lookup normalization
- CH10
- Alternate forms
- None retained in the official record
Check the display exactly as shown. The decoder ignores case and spaces, but it never substitutes O/0, I/1, or S/5.
Official meaning, scoped to this source
LG CH10 indicates an issue with the indoor-unit fan.
- Manufacturer
- LG
- Document
- [LG Air Conditioner] Guide to Error Codes · Official error-code index
- Product family
- split-system air conditioners
- Market and locale
- US · en-US
This is an official-source interpretation for the stated scope, not a confirmed diagnosis. Meaning can change across brands, models, product families, and markets.
Market, product family, and model applicability
US · en-US · LG split-system air conditioners covered by the cited US guide
Exact model applicability has not been verified.
This release retains family or source-index scope only. Do not infer that an arbitrary model uses this code; confirm it in the exact manufacturer manual.
Open the official model/manual lookup (opens in a new tab)Safe external checks
Use the documented five-minute power reset and request service if the display persists or returns.
- Remove only visible exterior debris or snow without reaching into the indoor fan.
- Disconnect power for five minutes, restore power, and observe whether the display returns.
Safe checks and when to request service
Request LG service if the display persists or returns after the supported reset.
- Request LG service if the display persists or returns after the supported reset.
Separate hazard signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.
Do not do
Do not open electrical panels, access wiring, handle refrigerant, alter piping, or work on internal fans or compressors.
Use only exterior observations and the documented power reset; leave internal electrical, fan, piping, and refrigerant work to qualified professionals.
Check warranty before authorizing service
Warranty coverage depends on the country, model, purchase date, and manufacturer terms. Have the model and serial number available, open the manufacturer's official support or warranty page, and ask whether the service route is authorized before paying for work.
This public record does not make a coverage determination. Use the official model lookup and warranty information linked below.
If the message returns
If the display persists or returns after the reset, request LG service.
Source and scope
Official source verified at release- Market and locale
- US · en-US
- Product family
- split-system air conditioners
- Content and safety verified on
- July 26, 2026
- Source updated by manufacturer
- Not supplied in the official record
LG
[LG Air Conditioner] Guide to Error Codes · Official error-code index
Open official source (opens in a new tab)Verification and review status
- Content meaning and safety verifiedJuly 26, 2026
- Source reachability statusOfficial source verified at release
- Automated evidence review completedPassed · July 26, 2026
- Automated safety rules checkPassed for this published safety boundary
- Human technical reviewPending — no human completion is claimed
- Publication gateAutomated publication checks passed · July 26, 2026
- Official-source conflictNo unresolved conflict admitted to this public release
Automated checks and release approval are not a substitute for a qualified service professional or the exact manufacturer manual.
Evidence used for this guidance
CH10 / E6 and CH67 / EF section
Source-backed summary
CH10 and E6 concern the indoor fan; remove only visible exterior debris or snow and request service if the issue persists.
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