Error code reference

Samsung Refrigerator Error Code FREEZER-DEFROST-SENSOR ERROR

Freezer defrost sensor failure: detected temperature exceeds +149°F (+65°C) or below -58°F (-50°C), or sensor housing separation/disconnection/short.

SourceSamsung Side-by-Side Refrigerator - Service Manual (RSG307/RSG309/RS30G)p. 45, 60

Diagnostic procedure

The full FREEZER-DEFROST-SENSOR ERROR 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
1
First diagnostic step
Measure voltage at MAIN PCB CN30 pins 4 and 6; shall be between 1.0V and 4.5V.

SourceSamsung Side-by-Side Refrigerator - Service Manual (RSG307/RSG309/RS30G)p. 45, 60

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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