Error code reference

LG Refrigerator Error Code RT sensor failure (FRZ+REF temp off)

Failure of RT (Room Temperature) sensor due to cut or short circuit wire; indicated by all display LEDs on but Freezer and Refrigerator temp displays off.

SourceLG GA-449/479 Series Refrigerator - Full Service Manualp. 24

LG codes LG refrigerator codes

Diagnostic procedure

The full RT sensor failure (FRZ+REF temp off) 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

Inspect connecting wires on the RT sensor.

SourceLG GA-449/479 Series Refrigerator - Full Service Manualp. 24

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 RT sensor failure (FRZ+REF temp off) 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 RT sensor failure (FRZ+REF temp off) procedure

Where this code is documented

Models covered by the manuals that document this code

Related LG refrigerator error codes