Error code reference

Samsung Refrigerator Error Code 4

Freezer defrost sensor error - sensor housing fallen out in evaporator, contact failure, wire breakage, short-circuit, or inferior sensor; triggers when temp sensing is above 149°F/65°C or below -58°F/-50°C.

SourceSamsung Refrigerator RS2530 - Service Manualp. 29-30

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full 4 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 voltage between MAIN PCB CN30 #4 and #6 (should be within 4.7V~0.6V).

SourceSamsung Refrigerator RS2530 - Service Manualp. 29-30

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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

53 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.

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The full 4 procedure

Where this code is documented

Models covered by the manuals that document this code

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