Error code reference

LG Refrigerator Error Code Error12

Ice maker unit abnormal - defective ice maker motor, defective position sensor, short circuit in cable, or defective motor control circuit.

SourceLG Refrigerator - Full Service Manual: GM-L278BS, GM-L279BTp. 20-21

LG codes LG refrigerator codes

Diagnostic procedure

The full Error12 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

First diagnostic step

Check ice maker motor and position sensor; inspect wiring for short circuits.

SourceLG Refrigerator - Full Service Manual: GM-L278BS, GM-L279BTp. 20-21

Unlock with pass

More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

Unlock Error12 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

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

Models covered by the manuals that document this code

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

The full Error12 procedure

Where this code is documented

Models covered by the manuals that document this code

Related LG refrigerator error codes