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dC1

Main door lock/unlock fault

The main door locking or unlocking system is not working correctly.

What this code means

The main door locking or unlocking system is not working correctly.

Possible causes

  • Door-lock mechanism fault
  • Door not fully aligned
  • Lock wiring or control issue

Common symptoms

  • dC1 or dE1 displayed
  • Door may not lock or unlock
  • Programme may not start

Checks to make

  1. Turn the machine off and restart
  2. Check the door closes freely without trapped laundry
  3. Arrange service if the code returns

Safety

  • Switch off and unplug the appliance before accessing hoses, filters or internal components. Do not bypass door locks or safety devices.

Model notes

Samsung notes that code format and availability can vary by model.