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Error code reference
Samsung Refrigerator Error Code F-1 (F-DEF-Sensor Error)
Freezer compartment defrost sensor part error - separation, contact error, disconnection, or short circuit.
SourceSamsung Refrigerator - Service Manual: RF265AB/RF266AB Seriesp. 44-45
Diagnostic procedure
The full F-1 (F-DEF-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
Check voltage of MAIN PCB CN30#4 to CN75#1, should be between 4.5V~1.0V.
SourceSamsung Refrigerator - Service Manual: RF265AB/RF266AB Seriesp. 44-45
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
1 manual in the MyPros+ library documents 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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