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Model reference

LG LSN240HE

Air Conditioner

4 documents4 error codes2 service modes

Available documentation

Service Manual

  • LG Room Air Conditioner SERVICE MANUAL83 pg
    Covers this model
  • Room Air Conditioner SVC MANUAL(General)83 pg
    Covers this model
  • Room Air Conditioner SVC MANUAL (General)83 pg
    Covers this model
  • Room Air Conditioner SVC MANUAL (General)84 pg
    Covers this model
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  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
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Error codes (4)

CodeMeaning
CH01Indoor room temperature thermistor open or short circuit detected.CH02Indoor pipe temperature thermistor open or short circuit detected.CH05Communication error between indoor and outdoor unitsCH08Indoor fan motor connector open or failure

Service modes (2)

  • Forced OperationOpen the front panel upward
  • Test OperationOpen the front panel upward

Full entry steps, exit procedures, and test sequences are available in Max.

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