Error code reference

LG Refrigerator Error Code FUCO

Cycle Error - D-Sensor temperature is not under 3.5°C within 10 minutes after LQC mode started.

SourceLG Refrigerator - Full Service Manual: GBB/GBF Seriesp. 54-55

Diagnostic procedure

The full FUCO 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 the compressor cooling power.

SourceLG Refrigerator - Full Service Manual: GBB/GBF Seriesp. 54-55

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 FUCO 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 FUCO procedure

Where this code is documented

Models covered by the manuals that document this code

Related LG refrigerator error codes