Model reference
LG LRNVSERIES
Air Conditioner
7 documents83 error codes9 service modes
Available documentation
Service Manual
- Air Conditioner System SERVICE MANUAL424 pg
- Air Conditioner System SERVICE MANUAL423 pg
- Air Conditioner Service Manual421 pg
- Air Conditioner System SERVICE MANUAL417 pg
- Air Conditioner Service Manual413 pg
- Air Conditioner Service Manual404 pg
- Air Conditioner System SERVICE MANUAL372 pg
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Error codes (83)
CodeMeaning
01Indoor unit air temperature sensor open or short circuit.02Indoor unit inlet pipe temperature sensor open or short circuit.03Communication error between wired remote controller and indoor unit04Drain pump malfunction05Communication error between outdoor unit and indoor unit06Indoor unit outlet pipe temperature sensor open or short circuit.07Indoor unit is operating in a different mode from the currently operated indoor…09Indoor unit EEPROM serial number error100Discharge temperature of Sub1 outdoor unit constant speed compressor 1 too high…101Discharge temperature of Sub1 outdoor unit constant speed compressor 2 too high…102Discharge temperature of Sub2 outdoor unit constant speed compressor 1 too high…103Discharge temperature of Sub2 outdoor unit constant speed compressor 2 too high…104Communication error between outdoor units105Communication error between main outdoor unit and fan driving control part.106Over-current at main outdoor unit fan motor (IPM fault).107Low voltage of main outdoor unit fan motor.108Communication error from fan driving control part to main outdoor unit control…109High pressure switch of Sub1 outdoor unit activated due to high pressure…110Reverse connection or disconnection of R,S,T power line of Sub1 outdoor unit.111Communication error between main outdoor unit and Sub1 outdoor unit.113Main outdoor unit liquid pipe temperature sensor open or short.114Main outdoor unit excessive cooling inlet temperature sensor open or short.115Main outdoor unit excessive cooling outlet temperature sensor open or short.116Sub1 outdoor unit high pressure sensor open or short.117Sub1 outdoor unit low pressure sensor open or short.118Sub1 outdoor unit air temperature sensor open or short.120Sub1 outdoor unit suction temperature sensor open or short.121Sub1 outdoor unit constant speed compressor 1 discharge temperature sensor open…122Sub1 outdoor unit constant speed compressor 2 discharge temperature sensor open…123Sub1 outdoor unit heat exchanger sensor (front side) open or short.View all 83 error codes
124Sub1 outdoor unit heat exchanger sensor (rear side) open or short.125Sub1 outdoor unit liquid pipe temperature sensor open or short.126Sub1 outdoor unit excessive cooling inlet temperature sensor open or short.127Sub1 outdoor unit excessive cooling outlet temperature sensor open or short.128Sub2 outdoor unit high pressure sensor open or short (3 units).129Sub2 outdoor unit low pressure sensor open or short (3 units).130Sub2 outdoor unit air temperature sensor open or short (3 units).132Sub2 outdoor unit suction temperature sensor open or short (3 units).133Sub2 outdoor unit constant speed compressor 1 discharge temperature sensor open…134Sub2 outdoor unit constant speed compressor 2 discharge temperature sensor open…135Sub2 outdoor unit heat exchanger temperature sensor (front side) open or short…136Sub2 outdoor unit heat exchanger temperature sensor (rear side) open or short…137Sub2 outdoor unit liquid pipe temperature sensor open or short (3 units).138Sub2 outdoor unit excessive cooling inlet temperature sensor open or short (3…139Sub2 outdoor unit excessive cooling outlet temperature sensor open or short (3…140Sub2 outdoor unit high pressure switch activated (3 units).141Reverse connection or disconnection of R,S,T power line of Sub2 outdoor unit.142Communication error between main outdoor unit and Sub2 outdoor unit (3 units).143Compressor off by excessive increase of Sub1 outdoor unit high pressure.144Compressor off by excessive reduction of Sub1 outdoor unit low pressure.145Compressor off by excessive increase of Sub2 outdoor unit high pressure (3…146Compressor off by excessive reduction of Sub2 outdoor unit low pressure (3…147Input voltage of Sub1 outdoor unit is more than 487V or less than 270V.148Outdoor voltage sensor of Sub1 outdoor unit open or short.149Input voltage of Sub2 outdoor unit is more than 487V or less than 270V (3…150Outdoor voltage sensor of Sub2 outdoor unit open or short (3 units).151Failure of operation mode conversion21DC peak error22Excess of limited current of main outdoor unit inverter compressor.23Poor DC link voltage charge for driving inverter compressor after starting…24High pressure switch of main outdoor unit activated, suspending compressor.25Input voltage is out of tolerance32Discharge temperature of main outdoor unit inverter compressor too high33Discharge temperature of main outdoor unit constant speed compressor too high34Compressor stops by excessive rise of main outdoor unit high pressure.35Compressor stops by excessive reduction of main outdoor unit low pressure.40Current detect (CT) sensor of main outdoor unit inverter compressor open or…41Discharge temperature sensor of main outdoor unit inverter compressor open or…42Outdoor low pressure sensor of main outdoor unit open or short.43Outdoor high pressure sensor of main outdoor unit open or short.44Outdoor air sensor of main outdoor unit open or short.45Heat exchanger sensor of main outdoor unit (front side) open or short.46Suction temperature sensor of main outdoor unit open or short.47Discharge temperature sensor of the constant speed compressor of main outdoor…48Heat exchanger sensor of main outdoor unit (rear side) open or short.51Excessive indoor unit capacity connected exceeding rated capacity of outdoor…52Communication error between inverter PCB and main outdoor unit control part.53Communication error between indoor unit and main outdoor unit control part54Reverse connection or disconnection of R,S,T power line of main outdoor unit.57Transmission error from main control part to inverter control part.62Excessive temperature of inverter control part radiation panel (heatsink).65Fan temperature sensor open or short.C1Indoor pipe sensor error (displayed on Art Cool Deluxe display).
Service modes (9)
- auto_addressing["Ensure power is connected to all indoor and outdoor units.","Ensure all DIP switch settings are…
- forced_operation["Press the forced operation button (located behind front panel)."]
- forced_operation_convertible["Press the Forced Operation Button.","Unit determines operation mode based on room temperature
- forced_operation_wall_mounted["Press the power button on the unit.","Unit determines operation mode based on room temperature
- initial_setup["Step 1: Communication check
- test_operation["Open the front panel upward.","Press and hold the forced operation (power) button for…
- test_operation_art_cool_deluxe["Open the front panel upward.","Press the power button and hold for about 3 seconds.","Unit…
- test_operation_convertible["Press the forced operation switch for about 3 seconds.","Unit operates in cooling mode at high…
- test_operation_wall_mounted["Open the front panel upward.","Press and hold the forced operation (power) button for…
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