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Model reference

LG AUUH-C

Air Conditioner

2 documents16 error codes4 service modes

Available documentation

Service Manual

  • Universal Air Conditioner SVC MANUAL (Exploded View)161 pg
    Covers this model
  • LG Universal System Air Conditioner SERVICE MANUAL159 pg
    Covers this model
MyPros+ Max

Diagnose your LG AUUH-C.

  • 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 (16)

CodeMeaning
01Indoor room thermistor error (open/short circuit on indoor room temperature…02Indoor in-piping sensor error (open/short circuit on indoor pipe temperature…03Remote controller communication error.04Drain pump error.05Communication error between indoor and outdoor units.06Indoor out-piping (discharge pipe) sensor error.07Different mode operation error (indoor units operating in conflicting modes).24High/Low pressure switch fault33Discharge pipe temperature high (outdoor unit overheating protection).44Outdoor unit outdoor temperature thermistor open/short.45Outdoor unit pipe temperature thermistor open/short.47Discharge pipe thermistor open/short.48Outdoor unit suction temperature thermistor open/short.51Excess of capacity (inconsistency between option capacity setup in outdoor unit…61Outdoor pipe temperature (condensation temperature) exceeded 58°C or 60°C in…CLChild lock is active; all keys on wired remote are locked.

Service modes (4)

  • E.S.P. Setting Mode (Duct Type)["1
  • E.S.P. Setting Mode (External Static Pressure)["1. Press the On/Off button to start the unit.","2. Push the Timer and Wind buttons simultaneously…
  • Forced Operation / Test Function["Listed as available function on all indoor unit types (Self Diagnosis, Test Function, Forced…
  • Self-diagnosis / Error Display["1. Error codes are automatically displayed via the operating LED on the indoor unit.","2. The LED…

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

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