mypros+
Model reference

LG LP120HED-Y8

Air Conditioner

2 documents7 error codes1 service mode

Available documentation

Service Manual

  • Window Air Conditioner SVC MANUAL(Exploded View) MODEL : LP120HED-Y853 pg
    Covers this model

Training

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

Diagnose your LG LP120HED-Y8.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
Start diagnosing

$29/month · Cancel anytime · Or $9.95 3-day pass

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)

  • LED Diagnostics (Self-Diagnosis)The green OPERATION LED on the Display PCB automatically indicates errors by flashing a specific…

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

Related LG air conditioner models

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass