Model reference
LG EWGBEEU
Air Conditioner
5 documents39 error codes15 service modes
Available documentation
Service Manual
- Synchro Air Conditioner Service Manual (Exploded View)184 pg
- Synchro Air Conditioner Service Manual184 pg
- Universal System Air Conditioner SVC MANUAL (Exploded View)149 pg
- Universal System Air Conditioner SVC MANUAL (General)172 pg
- Air Conditioner Service Manual - Multi-Inverter Type137 pg
MyPros+ Max
Diagnose your LG EWGBEEU.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (39)
CodeMeaning
01Indoor room air temperature thermistor is open or short circuit.02Indoor inlet pipe temperature sensor is open or short circuit.03Communication error between indoor unit and wired remote controller.04Drain pump or float switch error (float switch open when it should be…05Communication error between indoor unit and outdoor unit.06Indoor outlet pipe temperature sensor is open or short circuit.07Different operation mode error between indoor units.09Indoor EEPROM check sum error.10Indoor BLDC fan motor lock105Communication error between main board and fan board.21DC peak / IPM fault22CT2 maximum current exceeded (total current exceeds 14A threshold).23DC link low voltage24Low pressure or high pressure switch is open.25Abnormal AC input voltage26DC compressor position detection error.27PSC fault28DC link high voltage29Inverter compressor over current32Inverter compressor discharge pipe temperature too high (105°C or above).33Constant compressor discharge pipe temperature too high (105°C or above).39Communication error between PFC micom and INV micom on inverter PCB.40CT (current transformer) sensor circuit malfunction (open/short).41Inverter discharge pipe thermistor error (open/short).44Outdoor air temperature thermistor error (open/short).45Condenser pipe temperature thermistor error (open/short).46Suction pipe temperature thermistor error (open/short).47Constant compressor discharge pipe thermistor error (open/short).51Over capacity52Signal/transmission error between inverter PCB and main PCB.View all 39 error codes
53Communication signal error between indoor and outdoor units (displayed on…54Phase error60EEPROM checksum error on outdoor PCB.61Condenser pipe sensor temperature too high (65°C or above).62Heat sink sensor temperature too high (85°C or above).63Condenser pipe temperature low65Heat sink temperature thermistor error (open/short).67Outdoor BLDC fan lock73PFC fault error (software)
Service modes (15)
- Address Monitoring (Wireless Remote)Press Chaos Swing (6) and Reset (13) keys simultaneously to enter Address Monitoring Mode
- Auto Addressing (AUUH488B/AUUH7280/AUUH10080)1) Set JIG_SW to the right (A). 2) Set ZONE SW1 per table
- Auto Addressing (AUUW4860/AUUW6060)1) Set indoor unit connection number pin (A) on outdoor PCB
- Child Lock["Press Timer key and Min key simultaneously on wired remote controller."]
- E.S.P. (External Static Pressure) Setting1
- E.S.P. (External Static Pressure) Setting (Duct type)1) Push On/Off button to start unit
- E.S.P. Setting Mode (Ceiling Concealed Duct)["Turn on the unit by pressing On/Off button.","Press Timer and Wind (Fan Speed) buttons…
- E.S.P. Setting Mode (External Static Pressure adjustment for duct type)["1
- Forced OperationSet the slide switch on the main unit to the forced operation position while power is on (or supply…
- Indoor Unit Address Setting (Wired Remote)1) Press Program (13) and Set/Clear (16) keys simultaneously for more than 3 seconds to enter…
- Indoor Unit Address Setting (Wireless Remote)1) Press Jet Cool (5) and Reset (13) keys simultaneously for more than 3 seconds to enter Address…
- Test RunPress the room temperature checking button and down timer button simultaneously for 3 seconds.
- Test Run (Cassette type)Press the button on the indoor unit for 5 seconds to start test run
- Test Run (Ceiling Cassette type)Press the room temperature checking button and down timer button simultaneously for 3 seconds.
- Test Run (Room/Wall type)Press the timer cancel button five times continuously on the indoor unit.
Full entry steps, exit procedures, and test sequences are available in Max.
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