Error code reference

Samsung Refrigerator Error Code 25E

FF-DEF Error - fresh food compartment defrost heater housing separation, contact error, disconnection, short circuit, or temperature fuse error; defrosting does not finish after heating continuously for more than 80 minutes.

SourceSamsung French Door Refrigerator - Service Manual: RF31FM/RF24FS Seriesp. 71

Diagnostic procedure

The full 25E 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
After separating MAIN PCB CN70 wire, measure resistance between CN70 White and CN70 Gray; shall be 120(440) ohm ±7%. 0 ohm = heater short, infinity = wire/bimetal open.

SourceSamsung French Door Refrigerator - Service Manual: RF31FM/RF24FS Seriesp. 71

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

29 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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