Model reference
LG UU60W
Air Conditioner
1 document30 error codes7 service modes
Available documentation
Service Manual
- Synchro Air Conditioner Service Manual184 pg
MyPros+ Max
Diagnose your LG UU60W.
- 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 (30)
CodeMeaning
01Indoor room thermistor error (open/short circuit or internal circuit error)02Indoor inlet pipe thermistor error (open/short circuit or internal circuit…03Wired remote controller communication error (open/short or wrong connection)04Drain pump / float switch error (float switch open when normal is short)05Communication error between indoor and outdoor units06Indoor outlet pipe thermistor error (open/short circuit or internal circuit…21DC Peak / IPM Fault22CT2 Max CT23DC Link Low Voltage24High/Low Pressure switch or Heat sink switch open25Low Voltage / Over Voltage26DC compressor position detect error27PSC Fault Error28DC Link High Voltage32Inverter compressor discharge pipe temperature high (105°C or above)33Constant compressor discharge pipe temperature high (105°C or above)40CT Sensor open/short41Inverter discharge pipe thermistor error (open/short)44Outdoor air thermistor error (open/short)45Condenser pipe thermistor error (open/short)46Suction pipe thermistor error (open/short)47Constant compressor discharge pipe thermistor error (open/short)51Capacity error53Signal error between indoor and outdoor units (displayed at outdoor unit)54Phase error60EEPROM check sum error61Condenser pipe temperature high (65°C or above)62Heat sink temperature high (85°C or above)63Condenser pipe temperature low65Heat sink thermistor error (open/short)Service modes (7)
- Auto Addressing (AUUH488B/AUUH7280/AUUH10080)["Check JIG_SW is set to the right position","Set ZONE SW1 according to number of indoor units (2…
- Auto Addressing (AUUW4860/AUUW6060)["Set indoor unit connection number separation pins (Number pin) according to the number of indoor…
- E.S.P. (External Static Pressure) Setting (Duct type)["Push On/Off button to start unit","Push Timer and Wind buttons simultaneously for more than 3…
- Forced Operation["Move the slide switch on the main unit to the forced operation position while power is on, or…
- Indoor Unit Address Setting (Wired Remote)["Press Program key (13) and Set/Clear key (16) simultaneously for more than 3 seconds to enter…
- Indoor Unit Address Setting (Wireless Remote)["Press Jet Cool key (5) and Reset key (13) simultaneously for more than 3 seconds to enter Address…
- Test Run["Turn on main power","Press the room temperature checking button and down timer button…
Full entry steps, exit procedures, and test sequences are available in Max.
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