Error code reference

Samsung Refrigerator Error Code b

R-sensor (refrigerator temperature sensor) fault - open or short circuit, suspected to be below -50°C or over +65°C.

SourceSamsung Bottom-Mounted Freezer - Service Manual (RB1855/RB2055)23-24 (Table 1)

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full b 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 R-sensor resistance at CN30 between pins 2 and 5; compare to sensor specification table.

SourceSamsung Bottom-Mounted Freezer - Service Manual (RB1855/RB2055)23-24 (Table 1)

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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 b procedure

Where this code is documented

Models covered by the manuals that document this code

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