Error code reference

Samsung Refrigerator Error Code 65

Ice room (bucket) heater error - resistance between CN75-2 and CN75-4 should be 135 ohm ±7%; 0 ohm indicates heater short, infinity indicates wire/bimetal open.

SourceSamsung RF23M85 French Door Refrigerator - Service Manualp. 104

Diagnostic procedure

The full 65 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
Separate MAIN PCB CN75 wire and measure resistance between CN75-2 and CN75-4.

SourceSamsung RF23M85 French Door Refrigerator - Service Manualp. 104

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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