Error Code 31C
Cool Select fan motor is not running
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 31C
What This Means
Feedback signal line contact error; Motor wire separation; Motor failure; Speed sensor malfunction; Fan blockage
What actually causes this:
Fan motor connector loose or motor failed
First Thing to Check
Check Cool Select fan connector is properly attached
Parts Involved
How to Fix
- 1
Check voltage at MAIN PCB CN75 pins 1 and 6
- 2
Verify voltage is between 7V~12V
- 3
Inspect fan motor wiring
- 4
Check for physical obstruction
This Error Applies To
Samsung RF28K9070A Series Refrigerators (2018) (2018–present)
Related Error Codes
Ice maker temperature sensor failed
Freezer temperature sensor is not working
External air sensor not responding correctly
Fridge fan motor is not operating
Fridge temperature sensor is not working
Cool Select Room sensor error detected
Ice maker sensor malfunction detected
Compartment fan is not working