How do I fix error code FRIDGE_FAN_ERROR on a Samsung refrigerators?

1. undefined: Check voltage at MAIN PCB CN20 pin 17 (BLK) and pin 15 (S/BLU): should alternate DC7~12V and below DC2V 2. undefined: Check pulse at CN20 pin 13 (R) for ~2~3V 3. undefined: Execute manual operation to confirm fan response

Samsung Refrigerators2023–present

Error Code FRIDGE_FAN_ERROR

Q: What does error code FRIDGE_FAN_ERROR mean on a Samsung refrigerators?

Refrigerator compartment fan is not running R-FAN motor failure; Ice obstruction on fan blade; Wiring bad contact at CN20; MAIN PCB drive circuit failure

Refrigerator compartment fan is not running

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: R blinks (fridge fan indicator)

What This Means

R-FAN motor failure; Ice obstruction on fan blade; Wiring bad contact at CN20; MAIN PCB drive circuit failure

What actually causes this:

The fresh food compartment fan has stopped, cutting off cold air circulation and causing warm temperatures in the fridge.

First Thing to Check

Enter manual operation mode (FF mode) and listen near the fridge evaporator area for fan noise.

Parts Involved

BLDC R-FAN Motor (DC12V, AIO Q7, Φ120, 2.28W)MAIN PCB CN20

How to Fix

1
Check voltage at MAIN PCB CN20 pin 17 (BLK) and pin 15 (S/BLU): should alternate DC7~12V and below DC2V
2
Check pulse at CN20 pin 13 (R) for ~2~3V
3
Execute manual operation to confirm fan response

This Error Applies To

Samsung RF23BB89 Series Refrigerators (2023) (2023–present)

Service manual exact match: RF29BB89***Service manual exact match: RF24BB66***Service manual exact match: RF30BB62***Service manual exact match: RF29BB82***Service manual exact match: RF30BB69***Service manual exact match: DRF36C300**Service manual exact match: RF24BB69***Service manual exact match: RF30BB66***+2 more