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
Other Error Codes for RF22K938AA
Fridge fan motor is not operating
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
Ice duct heater not working properly