Error Code dC3
The automatic door-opening feature isn't working
Minor
Usually easy to fix - may resolve on its own
Also displayed as: No display
What This Means
Auto door actuator is not properly connected; Door switch wire is shorted; Auto door actuator or Main PBA is defective; Door latch mechanism is defective
What actually causes this:
The motor that pushes the door open at the end of the cycle has failed or gotten stuck
First Thing to Check
You can still open the door manually — the dishwasher is otherwise working fine
Parts Involved
How to Fix
- 1
1. Check auto door actuator connector — reconnect
- 2
2. Check door switch wiring for shorts
- 3
3. Check door latch mechanism for physical obstruction
- 4
4. Test auto door actuator operation in Smart Install manual mode Step 7
- 5
5. If actuator is defective, replace auto door actuator
- 6
6. If actuator tests normal, replace Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for DW80R9950US
Water is getting into the dishwasher when it shouldn't be
The main control board and the motor control board can't communicate
The dishwasher tried multiple times to drain but keeps failing
The water temperature sensor isn't reading correctly
A control panel button appears to be stuck
The touch panel and the control board can't communicate
The main control board and the display board can't talk to each other
Water is leaking inside the base of the dishwasher