Appliance Code Check

LG · Ductless air conditioner

CH07

Status message — no fault indicated

operating-mode message

LG CH07 indicates conflicting heating and cooling modes across connected 2-in-1 or ceiling-type air-conditioning units.

Display form
CH07
Lookup normalization
CH07
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 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.

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Status message guidance

Align the operating modes across connected units.

  1. 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.

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 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.

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