Samsung · Washing machine

Samsung washer ddC / dC3 code

ErrorddC / dC3

ddC / dC3 is listed by Samsung support as add door error. Code variants and available checks can differ by model and region.

Reference source listed as Samsung US washing machine information codes.

Open official source ↗
What the code means

Add Door error

Disconnect power before inspecting hoses or accessible filters, keep hands away from moving parts, and follow the exact Samsung model manual.

Typical symptoms

01ddC / dC3 appears on the display
02The current cycle may pause or stop
03The affected fill, drain, door, power, or balance function may not complete

Likely causes

Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.

01Add Door not fully closed or obstructed
02Add Door latch or sensor condition

Safe next steps

  1. 1
    Check that the Add Door latch is securely fixed
  2. 2
    Remove laundry or other objects caught in the Add Door
  3. 3
    Close and secure the Add Door correctly
  4. 4
    Contact Samsung service if the code remains or the Add Door or latch is damaged

Step-by-step repair

  1. 1
    Remove only laundry or objects trapped at the Add Door
  2. 2
    Close the Add Door fully without forcing the latch
  3. 3
    Run one controlled restart
  4. 4
    Stop and arrange service if the Add Door cannot close or lock securely

Repair details

🔧Tools
No tool is required for Samsung's official Add Door procedure

What not to do

  • Do not force or bypass the Add Door lock
  • Do not open the Add Door while the machine is operating unless the manual directs it

Preventive maintenance

  • 1
    Use Start/Pause before opening the Add Door
  • 2
    Keep the Add Door seal and latch area clear

Frequently asked questions

What do ddC/dC3 mean?

Samsung says the Add Door is not detected as closed and locked.

What if it stays on?

Clear the opening, close the Add Door properly, and contact service if the code persists.

Related faults

Compare related codes for the same appliance or manufacturer before replacing parts.