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Error code reference

Samsung Refrigerator Error Code Cold/Colder LED

R-Sensor defect (Fridge room temperature sensor failure - connector slipped out, open contact, wire damaged, short-circuited, or abnormal sensing temp higher than +65°C or lower than -50°C).

SourceSamsung RL55VQ Bottom Mount Freezer - Service Manualp. 41

Samsung codesSamsung refrigerator codes
Diagnostic procedure

The full Cold/Colder LED procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check voltage between MAIN PCB CN31-3(Red) and 6(Gray); should be within 4.5V~0.5V.

SourceSamsung RL55VQ Bottom Mount Freezer - Service Manualp. 41

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More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

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

Models covered by the manuals that document this code

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