Error code reference

LG Air Conditioner Error Code CH36

Refrigerant leak / loss detected.

SourceLG Air Conditioner - Tech Sheet: LP-Y Series Specifications

Diagnostic procedure

The full CH36 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check connection status of pipe; check pipe break/damage; check indoor/outdoor heat exchangers; check compressor leakage; check EEV body clogging.

SourceLG Wall Mounted Air Conditioner - Service Manual: General Inverter Typep. 28, 67

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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