Error code reference

LG Refrigerator Error Code LED 5 blinks

Piston Lock Trip - blocked piston detected due to lack of oil, damaged cylinder/piston, clogged discharge pipe, or debris inside compressor.

SourceLG LTNC11131V Refrigerator - Service Manual: R600a Repairp. 19

LG codes LG refrigerator codes

Diagnostic procedure

The full LED 5 blinks 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

Reset compressor and check if it operates. Check if cycle system is clogged. Replace compressor if needed.

SourceLG LTNC11131V Refrigerator - Service Manual: R600a Repairp. 19

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 LED 5 blinks 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 LED 5 blinks procedure

Where this code is documented

Models covered by the manuals that document this code

Related LG refrigerator error codes