Error code reference

Samsung Refrigerator Error Code E 4

Freezer defrost sensor open or short circuit (RSG5B* model display).

SourceSamsung Refrigerator - Troubleshooting Guide: Test Modes & Diagnostics (RSG5/RSG257AA Series)p. 51, 52

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full E 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 #9; should be within 4.5V~1.0V.

SourceSamsung Refrigerator - Troubleshooting Guide: Test Modes & Diagnostics (RSG5/RSG257AA Series)p. 51, 52

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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

2 manuals in the MyPros+ library document this code for Samsung refrigerator.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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The full E 4 procedure

Where this code is documented

Models covered by the manuals that document this code

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