Model reference
LG LMAN120HNS
Air Conditioner
2 documents12 error codes3 service modes
Available documentation
Service Manual
- LMAN120HNS Service Manual86 pg
- Multi Type Air Conditioner SERVICE MANUAL86 pg
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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 (12)
CodeMeaning
01Indoor room thermistor error (open/short circuit).02Indoor in-piping (inlet pipe) thermistor error (open/short circuit).05Communication error between indoor and outdoor units.06Indoor out-piping (outlet pipe) thermistor error (open/short circuit).07Different mode operation error (indoor units requesting conflicting modes).10Indoor fan motor locked error.33Discharge pipe temperature high (compressor discharge sensor temperature…44Outdoor air thermistor error (open/short circuit).45Condenser pipe thermistor error (open/short circuit).47Constant compressor discharge pipe thermistor error (open/short circuit).51Capacity error53Communication error displayed at outdoor unit (corresponding to code 05 at…Service modes (3)
- Forced OperationMove the slide switch on the main unit from remote control position to forced operation position
- Test RunPress the Timer Cancel button five times continuously on the remote control (Room type units).
- Test Run (Room Type)Press the Timer Cancel button five times continuously on the remote control.
Full entry steps, exit procedures, and test sequences are available in Max.
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