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Error code reference
LG Air Conditioner Error Code CH62
High temperature in outdoor PCBA heat sink.
SourceLG Wall Mounted Air Conditioner - Service Manual: General Inverter Typep. 28, 76
Diagnostic procedure
The full CH62 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 installation location of outdoor unit; check fan locking; remove blockings around heat exchanger and filter; check PCBA heat sink screw connection.
SourceLG Wall Mounted Air Conditioner - Service Manual: General Inverter Typep. 28, 76
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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Where this code is documented
2 manuals in the MyPros+ library document this code for LG air conditioner.
Models covered by the manuals that document this code
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