Error code reference

LG Air Conditioner Error Code 6

DC peak current error: IPM current reached 35A ±3A, or DC link voltage dropped below DC 140V, or outdoor fan lock detected (outdoor pipe temp over 65°C while compressor operating); occurs if fault happens 5 times within 1 hour.

SourceLG HPWI Series Air Conditioner - Service Manual (25/35 Models)p. 22, 50, 57-58

Diagnostic procedure

The full 6 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 connecting cable (3 lines) between indoor and outdoor, check CN-UVW connector state, check IPM power module for short (P-N, P-U, V, W, N-U, V, W), check supplied voltage and DC link voltage, check refrigerant pressure.

SourceLG HPWI Series Air Conditioner - Service Manual (25/35 Models)p. 22, 50, 57-58

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 6 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

14 manuals in the MyPros+ library document this code for LG air conditioner.

Models covered by the manuals that document this code

More models are covered than are listed here.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

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