UK Appliance Error Codes

Error code

Samsung Washing Machine Error Code DC

Last updated: 2 April 2026

Quick answer

DC

medium severity

Door locking or door sensing problem

First safe action

Turn the machine off and unplug it.

Meaning

Samsung washing machine error code DC usually points to the door not locking, latching, or being recognised correctly by the control system.

Likely causes

  • Door not closing fully
  • Faulty door interlock or latch
  • Wiring or control issue affecting door detection

Safe first checks

  • Turn the machine off and unplug it.
  • Check for trapped laundry or detergent residue preventing the door from closing properly.
  • Close the door firmly and retry only once after restoring power.

How to reset

  • Restore power after checking the door and seal area.
  • Restart a short cycle only if the door feels secure and undamaged.

When to call an engineer

If the lock does not engage consistently or the code returns straight away, the door interlock or control wiring may need repair.

Safety warning

Disconnect the appliance from the mains before inspecting the door area, and do not force a damaged latch.

Useful hub links

Related fault codes

Relevant guides

Frequently asked questions

Can I keep using a Samsung washing machine with DC showing?+

It is usually better to pause use until you have completed the safe first checks for DC, then test the machine with a short programme.

Will resetting clear DC for good?+

A reset may clear a temporary interruption, but if DC comes back after the first safe checks, the underlying fault still needs attention.