mypros+
Model reference

LG LP090CED1

Air Conditioner

2 documents7 error codes1 service mode

Available documentation

Service Manual

  • Packaged Terminal Air Conditioner SVC MANUAL (Exploded View)60 pg
    Covers this model

Training

  • Product Training PTAC/PTHP83 pg
    Covers this model
MyPros+ Max

Diagnose your LG LP090CED1.

  • 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 (7)

CodeMeaning
CH 01Indoor Air Thermistor ErrorCH 02Indoor Coil Thermistor ErrorCH 03Outdoor Air Thermistor Error (PTHP Only)CH 04Outdoor Coil Thermistor Error (PTHP Only)CH 05Mode ErrorCH 06Set point ErrorCH 07Bad Thermistor Wiring

Service modes (1)

  • Self-DiagnosisThe unit automatically indicates faults via a green OPERATION LED on the Display PCB

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

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