Model reference
LG AMNC126LRA0
Air Conditioner
1 document29 error codes1 service mode
Available documentation
Service Manual
- Multi Type Air Conditioner SVC MANUAL (Exploded View)88 pg
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 (29)
CodeMeaning
01Indoor room/air thermistor sensor open or short circuit.02Indoor inlet pipe sensor open or short circuit.03Communication error between indoor unit and wired remote controller.04Drain pump or float switch error (float switch open).05Communication error between indoor and outdoor units.06Indoor outlet pipe sensor open or short circuit.07Different mode operation error (indoor units requesting conflicting modes).21DC peak / IPM fault22CT overcurrent23DC link low voltage24Low pressure or high pressure switch open.25AC input voltage abnormal26DC compressor position detect error.27PSC fault28DC link high voltage32Inverter compressor discharge pipe temperature high (above 105°C).33Constant compressor discharge pipe temperature high (above 105°C).40CT circuit sensor open or short (current transformer malfunction).41Inverter discharge pipe thermistor sensor open or short.44Outdoor air temperature sensor open or short.45Condenser pipe temperature sensor open or short.46Suction pipe temperature sensor open or short.47Constant compressor discharge pipe thermistor sensor open or short.51Over capacity53Communication error between indoor and outdoor units (displayed on outdoor…60EEPROM check sum error61Condenser pipe sensor detected high temperature (65°C).62Heat sink sensor detected high temperature (85°C).65Heat sink temperature sensor open or short.Service modes (1)
- Forced OperationLocate the slide switch on the indoor unit main body
Full entry steps, exit procedures, and test sequences are available in Max.
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