Error code reference

Samsung Refrigerator Error Code R-defroster sensor blink

Refrigerator defrost sensor failure detected - connector contact failure or short-circuit (suspected below -58°F or over 150°F).

SourceSamsung Bottom-Mount Refrigerator - Full Service Manual (RB19/21 Series)p. 23-24

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full R-defroster sensor blink procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check connector contact and sensor for short-circuit; measure resistance at CN30 between pins 4 and 5.

SourceSamsung Bottom-Mount Refrigerator - Full Service Manual (RB19/21 Series)p. 23-24

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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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The full R-defroster sensor blink procedure

Where this code is documented

Models covered by the manuals that document this code

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