Error Code 40C
Ice maker fan motor is not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: 40C
What This Means
Feedback signal line contact error; Motor wire separation; Motor failure; Speed sensor malfunction
What actually causes this:
Fan motor wire loose or motor failed
First Thing to Check
Check ice maker fan motor connector is attached
Parts Involved
How to Fix
- 1
Check voltage at MAIN PCB CN50 pins 8 (GRY) and 15 (BLU)
- 2
Verify voltage is 12V
- 3
Inspect motor wiring
- 4
Check for motor 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
Cool Select fan motor is not running
Fridge temperature sensor is not working
Cool Select Room sensor error detected
Ice maker sensor malfunction detected