Error Code dC1
The dishwasher door isn't fully closed
Minor
Usually easy to fix - may resolve on its own
Also displayed as: dC (dC1)
What This Means
Door not fully closed or latched; Door lock switch is defective; Door sensing switch connector is loose
What actually causes this:
The door wasn't pushed closed firmly enough, or something is blocking it from latching
First Thing to Check
Push the door firmly until you hear it click shut — check that no dish handles or utensils are sticking out
Parts Involved
How to Fix
- 1
1. Check the connections for the door sensing switch — check the white wire and connected switch. Normal: 10.5 to 13V when door is open, less than 1V when door is closed
- 2
2. Check the operation of the door sensing switch (remove connector before measuring) — check the blue wire and connected switch. Normal: SHORT when door is open, OPEN when door is closed
- 3
3. If switch tests faulty, replace the door sensing switch
- 4
4. Check the operation of the Power Relay — if normal, replace Main PBA
Other Error Codes for DW80M9960UG
The dishwasher's main computer and the display board can't talk to each other
The motor controller board inside the dishwasher stopped responding
Water is leaking inside the base of the dishwasher
Too much water detected inside the dishwasher
The water distribution motor that directs spray isn't working properly
The main wash pump that sprays water isn't working properly
The automatic door-opening feature isn't working
The dishwasher isn't getting enough water to run