Error code reference

Samsung Refrigerator Error Code 31E

Cool Select Room fan error-feedback signal line contact error, motor wire separation, or motor error when the fan motor starts to run.

SourceSamsung RF34H Refrigerator - Tech Sheet: Fast Track Troubleshooting

Diagnostic procedure

The full 31E 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
Measure voltage of Main PCB CN76 pins 1 to 5; should be between 7V-12V.

SourceSamsung RF34H Refrigerator - Tech Sheet: Fast Track Troubleshooting

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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