Model reference

LG LRUVSERIES

Name: LG LRUVSERIES
Brand: LG

Air Conditioner

17 documents62 error codes31 service modes

Available documentation

Service Manual

Air Conditioner System SERVICE MANUAL424 pg
Covers this model
Air Conditioner System SERVICE MANUAL423 pg
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Air Conditioner Service Manual R22312 pg
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Air Conditioner Service Manual311 pg
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Air Conditioner Service Manual R22280 pg
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Air Conditioner Service Manual R22279 pg
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Air Conditioner Service Manual279 pg
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Air Conditioner Service Manual264 pg
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Air Conditioner Service Manual263 pg
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Air Conditioner Service Manual421 pg
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Air Conditioner System SERVICE MANUAL417 pg
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Air Conditioner Service Manual413 pg
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Air Conditioner Service Manual404 pg
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Air Conditioner System SERVICE MANUAL372 pg
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Air Conditioner Service Manual280 pg
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Air Conditioner Service Manual R22263 pg
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M+ Max·LG Air Conditioner

01 on my LG LRUVSERIES

M+

Indoor unit room temperature sensor is

From Service Manual 248983, p.35:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 6322FR2046G

Temperature thermistor

Error codes (62)

CodeMeaning

01Indoor unit room temperature sensor is open or short.02Indoor unit inlet pipe temperature sensor is open or short.03Transmission error between wired remote controller and indoor unit 04Malfunction of drain pump.05Transmission error between outdoor unit and indoor unit 06Indoor unit outlet pipe temperature sensor is open or short.07Operation mode between indoor unit and outdoor unit is different.09Serial number marked on EEPROM of indoor unit is 0 or FFFFFF.10Poor fan motor operation 100System off due to excessive increase of discharge temperature of constant speed…101System off due to excessive increase of discharge temperature of constant speed…102System off due to excessive increase of discharge temperature of constant speed…103System off due to excessive increase of discharge temperature of constant speed…104Transmission error from sub1 outdoor unit to main outdoor unit 105Transmission error from fan PCB to main PCB 106Over-current of fan motor (fan IPM fault).107Low voltage of fan motor driver.108Transmission error from main PCB to fan PCB 109High pressure switch of sub1 outdoor unit operated by high pressure rising.11Transmission error from indoor unit to main PCB of outdoor unit 110Reverse connection or omitting connection of R, S, T power of sub1 outdoor unit.111Transmission error from main outdoor unit to sub1 outdoor unit 113Liquid pipe temperature sensor of main outdoor unit is open or short.114Subcooling inlet temperature sensor of main outdoor unit is open or short.115Subcooling outlet temperature sensor of main outdoor unit is open or short.116High pressure sensor of sub1 outdoor unit is open or short.117Low pressure sensor of sub1 outdoor unit is open or short.118Air temperature sensor of sub1 outdoor unit is open or short.120Suction temperature sensor of sub1 outdoor unit is open or short.121Discharge temperature sensor of constant speed compressor 1 of sub1 outdoor…

View all 62 error codes

Service modes (31)

auto_addressingPress the address (red) button on Main PCB for 6 seconds
auto_addressing_outdoor["Ensure power is on for all indoor and outdoor units.","Wait at least 3 minutes.","Press and hold…
Auto-Addressing1
Backup Operation (Constant Speed Compressor)On the main outdoor unit, set DIP switch
Data Display Mode (Outdoor Unit Status)1
Data Display Mode (Outdoor Unit)1
data_display_modeTurn on DIP switch No.7 and No.8, then press and hold the auto-address push switch for 5 seconds.
data_display_mode_outdoor["Turn on DIP switch No.7 and No.8 on the main outdoor PCB.","Press and hold the auto-address push…
Forced Operation (Indoor Unit - Cooling Only Model)Press the forced operation (power) button on the indoor unit
Forced Operation (Indoor Unit - Heat Pump Model)1. Press the forced operation button. 2. Indoor fan operates at low speed for about 15 seconds. 3…
Forced Operation (Indoor Unit)Press the power/forced operation button on the indoor unit main body.
forced_operationPress the forced operation button on the main unit of the appliance.
forced_operation_convertible["Press the Forced Operation Button.","Unit determines operation mode based on room temperature
forced_operation_cooling_onlyPress the forced operation button on the indoor unit main body.
forced_operation_cooling_only_modelPress the forced operation button on the indoor unit main body.
forced_operation_heat_pumpPress the forced operation button on the indoor unit main body.
forced_operation_heat_pump_modelPress the forced operation button on the indoor unit main body
forced_operation_indoor["Press the forced operation (power) button on the indoor unit main body."]
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
Instant Indoor Unit Checking Mode1
instant_indoor_unit_checkingSet DIP switch #1 ON for cooling (or #1 and #2 ON for heating), then push the red (address) button…
instant_indoor_unit_checking_cooling1. Set DIP switch
instant_indoor_unit_checking_heating1. Set DIP switches
Test Operation (Indoor Unit - Art Cool / Art Cool Wide)Press and hold the ON/OFF button on the indoor unit for 3-5 seconds until buzzer sounds 1 beep.
test_operationPress and hold the ON/OFF button (or forced operation button) for 3-5 seconds until the buzzer…
test_operation_art_cool_deluxe["Open the front panel upward.","Press the power button and hold for about 3 seconds.","Unit…
test_operation_art_cool_wideAfter supplying power to the main body, keep pressing the forced operation button for about 3…
test_operation_convertible["Press the forced operation switch for about 3 seconds.","Unit operates in cooling mode at high…
test_operation_indoorPress and hold ON/OFF button for 3-5 seconds until buzzer sounds 1 beep.
test_operation_wall_mounted["Open the front panel upward.","Press and hold the forced operation (power) button for…

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

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