LG · Ductless air conditioner
LG Ductless air conditioner CH07 Code: Meaning & Controls
Status message — no fault indicatedoperating-mode message
LG CH07 indicates conflicting heating and cooling modes across connected 2-in-1 or ceiling-type air-conditioning units.
First thing to do
Set all connected units to compatible heating or cooling/dehumidification modes.
Can I keep using it? Use control settings only; do not inspect wiring or communication lines.
DIY level: Only the documented user checks below
Start TroubleshootingInteractive troubleshooter
Follow the official checks one at a time. A code and your answers do not confirm a failed part.
Model number (optional)
Brand / appliance verified. Exact model not checked.
Scope: LG 2-in-1 heating/cooling and multi-room ceiling-type systems covered by the cited US guide. Model stays in this tab; it is excluded from analytics.
Use control settings only; do not inspect wiring or communication lines.
1 documented check. Check time is not specified by the source.
The current official source documents only these checks. If they do not resolve the message, follow the manufacturer’s next step; extra repair procedures are not verified here.
Status message guidance
Align the operating modes across connected units.
- Set all connected units to compatible heating or cooling/dehumidification modes.
This display is not a fault. Separate signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.
Official meaning, scoped to this source
LG CH07 indicates conflicting heating and cooling modes across connected 2-in-1 or ceiling-type air-conditioning units.
- Manufacturer
- LG
- Document
- [LG Air Conditioner] Guide to Error Codes · Official error-code index
- Product family
- connected 2-in-1 and ceiling-type 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 2-in-1 heating/cooling and multi-room ceiling-type systems 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)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.
Explore the same symptom
Other documented displays for the same brand and appliance with related symptoms. These codes are not interchangeable.
Source and scope
Official source verified at release- Market and locale
- US · en-US
- Product family
- connected 2-in-1 and ceiling-type 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
CH07 section
Source-backed summary
CH07 appears when connected units use conflicting modes; set all units to heating or all to cooling/dehumidification.
Does the model or source look wrong?
Send a privacy-minimal correction signal. It cannot change public content automatically.
Report a model or source mismatchNeed a different display? Return to the decoder.