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Model reference

LG AMNC246VBA0

Air Conditioner

3 documents30 error codes14 service modes

Available documentation

Service Manual

  • Multi Type Air Conditioner SERVICE MANUAL236 pg
    Covers this model
  • Multi Type Air Conditioner SERVICE MANUAL240 pg
    Covers this model
  • Multi Type Air Conditioner SERVICE MANUAL238 pg
    Covers this model
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Diagnose your LG AMNC246VBA0.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
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Error codes (30)

CodeMeaning
01Indoor room thermistor (air sensor) error02Indoor inlet pipe sensor error03Communication error between indoor unit and wired remote controller.04Drain pump or float switch error05Communication error between indoor and outdoor units.06Indoor outlet pipe sensor error07Different mode operation error21DC Peak / IPM Fault22CT sensor max current exceeded (14A) or CT internal circuit error.23DC Link low voltage24Low/High pressure switch open.25AC input voltage abnormal26DC compressor position detect error.27PSC fault error28DC Link high voltage32Inverter compressor discharge pipe temperature high (above 105°C).33Constant compressor discharge pipe temperature high (above 105°C).40CT circuit malfunction (current transformer open/short).41Inverter discharge pipe thermistor error44Outdoor air thermistor error45Condenser pipe thermistor error46Suction pipe thermistor error47Constant compressor discharge pipe thermistor error51Over capacity53Communication signal error between indoor and outdoor units.60EEPROM check sum error.61Condenser pipe sensor temperature high (above 65°C).62Heat sink sensor temperature high (above 85°C).63Condenser pipe temperature low.65Heat sink thermistor error

Service modes (14)

  • Address Monitoring (Wireless Remote)Press Chaos Swing (6) and Reset (13) keys simultaneously.
  • Address Monitoring Mode (Wireless Remote)Press Chaos Swing (key 6) and Reset (key 13) simultaneously.
  • Address Setting Mode (Wired Remote)Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds. Set address…
  • Address Setting Mode (Wireless Remote)Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds. Set address using…
  • E.S.P. (External Static Pressure) Setting1
  • ESP (External Static Pressure) Setting1
  • ESP Setting Mode (Duct Type Wired Remote)1
  • Forced OperationUse the slide switch on the indoor unit main body
  • Forced Operation (Cassette Type)Press the operation button for 2 seconds.
  • Forced Operation (Slide Switch)Move the slide switch on the main unit to the forced operation position while power is on, or power…
  • Forced Operation (Split Type via Slide Switch)Set the slide switch to the forced operation position while power is on, or supply power with…
  • Test Run (Cassette Type)Press the room temperature checking button and down timer button simultaneously for 3 seconds.
  • Test Run (CST Wired Remote)Press the Room Temperature Checking button and Down Timer button simultaneously for 3 seconds.
  • Test Run (Room Type)Press the timer cancel button five times continuously.

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

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