Error Code C-A2
Cooling motor not responding to control signals
Moderate
Address soon - your appliance may not work properly
Also displayed as: C-A2
What This Means
Cooling motor connector not inserted; Motor connector loose; Cooling motor failure; Main PCB failure; Hall sensor PCB failure
What actually causes this:
Loose connector, failed motor, or hall sensor failure
First Thing to Check
Verify cooling motor connector (CN202 or CN550) is fully seated at Main PCB
Parts Involved
How to Fix
- 1
Check Main PCB connector (CN202 or CN550)
- 2
Check motor connector at fan motor
- 3
Verify wiring pin map matches connector pins
- 4
Check Hall sensor PCB if motor has sensor feedback
Other Error Codes for NQ70M9770D
Temperature sensor internal to Main PCB is not functioning
Keypad short circuit detected
Temperature sensor reading exceeds safe operating threshold
Door lock mechanism malfunction or misalignment
Meat probe sensor circuit shows abnormally low resistance
Bake heating element not energizing during self-test
Main control board temperature sensor reads excessive heat
Partition configuration changed during active cooking cycle