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Model reference

LG FMN1260NL

Air Conditioner

3 documents15 error codes8 service modes

Available documentation

Service Manual

  • Free Joint Multi Type Air Conditioner SVC MANUAL115 pg
    Covers this model
  • Multi Air Conditioner SVC MANUAL (Exploded View)75 pg
    Covers this model
  • Multi Air Conditioner SVC MANUAL(Exploded View)75 pg
    Covers this model
MyPros+ Max

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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 (15)

CodeMeaning
1Indoor thermistor open/short circuit detected.10DC low voltage error detected in outdoor unit.11High voltage / power error / condenser temperature error.12Connecting wire or pipe error.13Excessive capacity error.14Discharge temperature error.15Incorrect wiring of compressor phases (U, V, W).2Outdoor thermistor open/short circuit detected.3Wired remote controller communication error.4Drain pump error.5Poor communication between indoor and outdoor units.6Fire alarm response.7Difference operation error (operational mismatch).8CT (current transformer) current error.9IPM (Intelligent Power Module) error / DC peak current error.

Service modes (8)

  • Forced OperationSet the slide switch on the main unit to the forced operation position, or switch from remote…
  • forced_operationSet the slide switch on the indoor unit main body to the Forced Operation position. When power is…
  • Test Operation (Cassette Type)Press the forced operation button for 5 seconds.
  • Test Operation (Convertible Type)Press the forced operation switch for approximately 3 seconds
  • Test Operation (Room Type)Press the timer cancel button five times continuously.
  • Test Run (Cassette Type)Press button for 5 seconds to start test run
  • Test Run (Room Type)Press the timer cancel button five times continuously.
  • test_runFor Cassette Type

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

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