SAMSUNG · DOOR / LID CLUE
Samsung dC or dE: a door message is a safety check, not a handle problem.
These codes can relate to the washer not sensing a properly closed door or lid. Exact wording varies by model, so confirm it in your manual before assuming a damaged latch.
Check what you can see
Pause at the controls and look for fabric caught in the door opening, gasket, or lid area. Reduce an overloaded drum that presses against the door, then close it gently and try one normal restart.
Separate a lock problem from a drain problem
A washer may deliberately keep the door locked if water remains. If the door is locked with water inside, solve the drain issue first rather than treating it as a latch fault.
When to stop
A loose latch, a door that cannot close, a code that returns with nothing caught, or any sign of electrical heat needs qualified service.