What does error code RFAN-ERROR mean on a Samsung refrigerators?

Refrigerator compartment fan is not running Fan motor failure; Bad wiring at CN20; Fan restricted by ice or obstruction

How do I fix error code RFAN-ERROR on a Samsung refrigerators?

1. undefined: Measure DC voltage between MAIN PCB Ground CN20 '17' (BLK) and CN20 '15' (S/BLU): should alternate 7-12V and below 2V 2. undefined: Check pulse feedback at CN20 pin 13 for rotation signal 3. undefined: Verify compressor is running first

Samsung Refrigerators2022–present

Error Code RFAN-ERROR

Refrigerator compartment fan is not running

Moderate

Address soon - your appliance may not work properly

Also displayed as: Indicated via self-diagnosis

What This Means

Fan motor failure; Bad wiring at CN20; Fan restricted by ice or obstruction

What actually causes this:

The fan circulating cold air inside the fridge section has failed, which will cause uneven temperatures and warm spots.

First Thing to Check

Listen for the fan running after closing the fridge door — silence from the fridge area indicates this fault.

Parts Involved

R-FAN BLDC motor (DC12V, 92mm box fan, 1.2W)MAIN PCB connector CN20

How to Fix

1
Measure DC voltage between MAIN PCB Ground CN20 '17' (BLK) and CN20 '15' (S/BLU): should alternate 7-12V and below 2V
2
Check pulse feedback at CN20 pin 13 for rotation signal
3
Verify compressor is running first

This Error Applies To

Samsung RF25C5 Series Refrigerators (2022) (2022–present)

Service manual exact match: RF25C5151SR/AAService manual exact match: RF25C5151**Service manual exact match: RF25C5551**Service manual exact match: RF25C5551SR/AA