Error code reference

Samsung Refrigerator Error Code 34E

FF-DEF Heater Error: fresh food defrost heater housing separation, contact error, disconnection, short circuit, or temperature fuse error; defrost did not finish after 80 minutes continuous heating.

SourceSamsung RF323TED Refrigerator - Full Service Manualp. 54

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full 34E 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

Separate Main PCB CN70 wire; measure resistance between CN70 White and CN70 Gray; should be 120 ohm ±7%. 0 ohm = heater short, infinity = wire/bimetal open.

SourceSamsung RF323TED Refrigerator - Full Service Manualp. 54

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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

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The full 34E procedure

Where this code is documented

Models covered by the manuals that document this code

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