Error code reference

LG HVAC Error Code 6

LA09xHV/LA12xHV/LS902HPV/LS122HPV: DC Peak Error or condenser coil over 149°F. All other Inverters: PCB sees IDU outlet pipe thermistor as open or shorted. PTAC: DIP switches 3,4,5 for temperature limiting not set properly.

SourceLG Ductless HVAC & PTAC - Tech Sheet: Error Codes & Wiring

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Diagnostic procedure

The full 6 procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

For DC peak error: verify proper 208/240V AC, verify 3 compressor wires not switched, verify compressor not seized, verify 1-4Ω between compressor terminals. For condenser over-temp: verify thermistor accuracy. For other inverters: 2,800Ω at 38°C/100°F & 10,000Ω at 10°C/50°F.

SourceLG Ductless HVAC & PTAC - Tech Sheet: Error Codes & Wiring

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

1 manual in the MyPros+ library documents this code for LG hvac.

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The full 6 procedure

Where this code is documented

Models covered by the manuals that document this code

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