mypros+
Model reference

LG LMNC242D3*0

Air Conditioner

2 documents29 error codes10 service modes

Available documentation

Service Manual

  • Multi Type Air Conditioner SERVICE MANUAL153 pg
    Covers this model
  • LG Multi Type Air Conditioner SERVICE MANUAL153 pg
    Covers this model
MyPros+ Max

Diagnose your LG LMNC242D3*0.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
Start diagnosing

$29/month · Cancel anytime · Or $9.95 3-day pass

Error codes (29)

CodeMeaning
01Indoor room thermistor (air sensor) error02Indoor inlet pipe sensor error03Communication error between indoor unit and wired remote controller.04Drain pump / float switch error05Communication error between indoor and outdoor unit.06Indoor outlet pipe sensor error07Different mode operation21DC Peak / IPM Fault22CT2 (Max Current)23DC Link Low Voltage24Low/High pressure switch open.25AC Low/High voltage26DC compressor position detect error.27PSC Fault28DC Link High Voltage32Discharge pipe temperature high (inverter compressor).33Discharge pipe temperature high (constant compressor)40CT sensor circuit malfunction (open/short).41Inverter discharge pipe thermistor error (open/short).44Outdoor air thermistor error (open/short).45Condenser pipe thermistor error (open/short).46Suction pipe sensor error (open/short).47Constant compressor discharge pipe thermistor error (open/short).51Over capacity53Communication signal error between indoor and outdoor unit.60EEPROM check sum error61Condenser pipe sensor temperature high (65°C or above).62Heat sink sensor temperature high (85°C or above).65Heat sink thermistor error (open/short).

Service modes (10)

  • address_monitoringPress Chaos Swing (button 6) and Reset (button 13) keys simultaneously to enter Address Monitoring…
  • address_monitoring_wireless_remoconPress Chaos Swing (key 6) and Reset (key 13) simultaneously
  • address_setting_wired_remoconPress Program (key 13) and Set/Clear (key 16) simultaneously for more than 3 seconds. 'Address…
  • address_setting_wired_remote1
  • address_setting_wireless_remoconPress Jet Cool (key 5) and Reset (key 13) simultaneously for more than 3 seconds. 'Address Setting…
  • address_setting_wireless_remote1
  • esp_setting1) Press On/Off button to start unit
  • forced_operationOn the indoor unit, switch the slide switch from the remote control position to the forced…
  • test_run_cassettePress the forced operation button for 2 seconds to start forced operation (Cassette Type)
  • test_run_room_typePress the timer cancel button five times continuously on the remote controller (Room type).

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

Related LG air conditioner models

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass