Error code reference

Samsung Refrigerator Error Code 3

System abnormality of defrosting sensor for R compartment - electric wire cut, short-circuit, contact failure, sensor housing missing, or temperature defect (displayed only when sensor detected temperature is not lower than 122°F nor higher than -58°F).

SourceSamsung Refrigerator - Service Manual: Alignment, Test Functions & Alarms (RM255LAWPXAA)p. 30-31

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full 3 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 for electric wire cut, short-circuit, contact failure, or sensor housing missing on the R compartment defrosting sensor.

SourceSamsung Refrigerator - Service Manual: Alignment, Test Functions & Alarms (RM255LAWPXAA)p. 30-31

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 3 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

38 manuals in the MyPros+ library document this code for Samsung refrigerator.

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

The full 3 procedure

Where this code is documented

Models covered by the manuals that document this code

Related Samsung refrigerator error codes