Model reference

LG LMNC182BTG0

Name: LG LMNC182BTG0
Brand: LG

Air Conditioner

9 documents36 error codes22 service modes

Available documentation

Service Manual

Multi Air Conditioner SVC MANUAL (Exploded View)61 pg
Covers this model
Multi Air Conditioner SVC MANUAL (Exploded View)60 pg
Covers this model
LG Multi Type Air Conditioner SERVICE MANUAL65 pg
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Multi Type Air Conditioner SERVICE MANUAL65 pg
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Multi Type Air Conditioner SERVICE MANUAL166 pg
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Multi Type Air Conditioner SERVICE MANUAL153 pg
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LG Multi Type Air Conditioner SERVICE MANUAL153 pg
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Universal Air Conditioner SVC MANUAL (Exploded View)145 pg
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Multi Type Air Conditioner SERVICE MANUAL153 pg
Covers this model

MyPros+ Max

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M+ Max·LG Air Conditioner

01 on my LG LMNC182BTG0

M+

Indoor air sensor open or short circuit.

From Service Manual 305979, p.31:

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

2.Measure door lock assembly resistance across PTC terminals. Expected: ~200 ohms cold.

3.Inspect strike and latch alignment. A misaligned strike prevents the switch stack from closing.

Part 6601ER1004C

Door lock assembly

Error codes (36)

CodeMeaning

01Indoor air 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 unit.06Indoor outlet pipe sensor open or short circuit.07Different operation mode error (open/short).1Indoor air temperature thermistor open/short.2Indoor inlet pipe temperature thermistor open/short.21DC Peak / IPM Fault 22CT2 (Max Current)23DC Link Low Voltage 24Low/High pressure switch open.25AC Low/High voltage 26DC compressor position detect error.27PSC Fault 28DC Link High Voltage 32Discharge pipe temperature high (inverter compressor).33Discharge pipe temperature high (compressor discharge temperature exceeds…40CT sensor circuit malfunction (open/short).41Inverter discharge pipe thermistor error (open/short).44Outdoor air sensor open or short circuit.45Outdoor condenser pipe sensor open or short circuit.46Outdoor suction pipe sensor open or short circuit.47Outdoor discharge pipe sensor open or short circuit.5Poor communication between indoor and outdoor units.51Over capacity 53Communication error between indoor and outdoor unit (outdoor side indication).54Phase error on outdoor unit 3-phase power supply.6Indoor outlet pipe temperature thermistor open/short.

View all 36 error codes

60EEPROM check sum error 61Condenser pipe sensor temperature high (65°C or above).62Heat sink sensor temperature high (85°C or above).65Heat sink thermistor error (open/short).7Different operation 9Indoor EEPROM data error (Art type only).

Service modes (22)

Address Monitoring Mode (Wireless Remote)Press Chaos Swing (6) and Reset (13) keys simultaneously.
Address Setting Mode (Wired Remote)Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds
Address Setting Mode (Wireless Remote)Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds
address_monitoringPress Chaos Swing (button 6) and Reset (button 13) keys simultaneously to enter Address Monitoring…
address_monitoring_wirelessPress Chaos Swing (6) and Reset (13) keys simultaneously to enter Address Monitoring Mode.
address_monitoring_wireless_remoconPress Chaos Swing (key 6) and Reset (key 13) simultaneously
address_setting_wired_remoconPress Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds to enter Address…
address_setting_wired_remote1
address_setting_wireless_remoconPress Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds to enter Address…
address_setting_wireless_remote1
ESP Setting Mode (Duct Type)1
esp_setting1) Press On/Off button to start unit
Forced OperationSet the slide switch on the indoor unit from the remote control position to the forced operation…
forced_operationMove the slide switch on the indoor unit main body to the forced operation position. If power is…
forced_operation_cassettePress button for 2 seconds on the cassette type unit to start forced operation.
Test OperationOpen the front panel upward, then press and hold the power button for about 3 seconds
Test Run (Cassette Type - forced operation)Press the operation button for 2 seconds for forced operation
Test Run (Ceiling Cassette TC Type)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.
test_operationOpen the front panel upward
test_run_cassettePress the button for 5 seconds on the cassette type unit to start test run.
test_run_room_typePress timer cancel button five times continuously on the room type unit to start test run.

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

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