Error Code dC3
The automatic door-opening feature is not 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; Switch door wire is shorted; Auto door actuator or Main PBA is out of order; Door latch is out of order
What actually causes this:
The mechanism that pops the door open for drying has failed or gotten stuck
First Thing to Check
You can still use the dishwasher — just open the door manually after the cycle ends to help dishes dry
Parts Involved
How to Fix
- 1
1. Check Auto Door Open Actuator connections — reconnect
- 2
2. Check door switch wiring for shorts
- 3
3. Check door latch operation
- 4
4. If all connections are good, replace Auto Door Actuator
- 5
5. If still failing, replace Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DW80B7070A Series Dishwashers (2023) (2023–present)
Related Error Codes
The dishwasher is not getting enough water to run
The dishwasher cannot pump the dirty water out
The heating element is not warming the water properly
The water inside the dishwasher got dangerously hot
The hot air drying system is not heating up properly
The hot air drying system got dangerously overheated
The water temperature sensor is not reading correctly
The temperature sensor in the drying system is not reading correctly