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
Other Error Codes for RF28K9070AA
Fridge fan motor is not operating
Cool Select fan motor is not running
I/O Expander is not responding to main board
Freezer fan motor is not working
Main and panel boards are not communicating
Compressor inverter is not communicating with main board
Fridge defrost sensor is not working
Freezer defrost sensor is not responding