Model reference
LG FMN1260NN
Air Conditioner
2 documents9 error codes5 service modes
Available documentation
Service Manual
- Multi Air Conditioner SVC MANUAL (Exploded View)75 pg
- Multi Air Conditioner SVC MANUAL(Exploded View)75 pg
MyPros+ Max
Diagnose your LG FMN1260NN.
- 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 (9)
CodeMeaning
1Indoor temperature thermistor open/short or indoor pipe temperature thermistor…10DC low voltage error.11High pressure / Instantaneous power failure.13Overload combination error.14Discharge pipe temperature overheating.2Outdoor temperature thermistor open/short or outdoor pipe temperature…5Poor communication between indoor and outdoor units.8CT / Current error.9DC Peak error.Service modes (5)
- Forced OperationSet the slide switch on the main unit to the forced operation position. When power is supplied or…
- forced_operationSet the slide switch on the indoor unit main body to the Forced Operation position. When power is…
- 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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