Error Code DC3
The washer detects the door opening while running
Moderate
Address soon - your appliance may not work properly
Also displayed as: DC3
What This Means
Door lock pillars coming down during normal operation; Main PCB fault; Bending connector; Main PBA door detection circuit is faulty or connector is compromised
What actually causes this:
The door latch mechanism is wearing out and intermittently losing its lock signal
First Thing to Check
Stop the cycle, open and firmly reclose the door, then restart
Parts Involved
How to Fix
- 1
1. Check the door lock detection switch and barrier button
- 2
2. Check the door lock motor resistance: 46.57 plus or minus 15 ohms between 1-2 pins
- 3
3. Check for a normal detection state (3-4 / 3-5 pin continuity check)
- 4
4. Check whether freezing in the winter season is causing the issue
- 5
5. If connector is bent, repair or replace it
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung WF45R6100A Series Washers (2024) (2024–present)
Related Error Codes
The washer's motor can't spin the drum properly
The incoming water is too hot for delicate wash cycles
An internal circuit module can't communicate with the main board
The WiFi module can't communicate with the main board
The door lock mechanism won't engage
The washer's water heater isn't working properly
The washer has too much water in the tub and is overflowing
A button on the control panel is stuck or pressed in