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Samsung Washer dC Error Code: Causes and Fixes

Quick answer: On a Samsung Washer, the dC error code means the door is not closed or locked properly. The control board has not received confirmation from the door latch sensor that the door is secure. The most common causes are a misaligned door, worn door latch, or a faulty door lock assembly. Firmly closing the door and checking the latch resolves most Samsung Washer dC errors. This is the main door check fault and is closely related to dC1, dC2, dC3, and dL errors.

Quick Fix for Samsung Washer dC

Unplug the Samsung Washer from the power outlet and wait 60 seconds.
Open the door fully and inspect the door seal (gasket) for any clothing or debris caught in the seal that prevents closure.
Close the door firmly and listen for the click of the latch engaging.
Inspect the door latch hook on the door and the door strike on the machine frame — check for cracks, breaks, or misalignment.
Plug the washer back in and attempt to start a cycle. If dC returns, the door lock assembly likely needs replacement.

What Does Samsung Washer dC Mean?

The Samsung Washer dC error code is a door check fault. The machine will not start or will stop mid-cycle when it cannot confirm the door is fully closed and locked. Samsung Washer dC is a safety interlock — the machine stops to prevent water from leaking through an open door during a wash or spin cycle.

Common Causes of Samsung Washer dC

Door not fully closed: The most common cause — laundry or the door seal is caught between the door and the drum opening.
Worn door latch: The plastic latch hook on the door itself can wear or break, preventing engagement with the door strike.
Faulty door lock assembly: The electronic door lock module (also called the door interlock) can fail and stop sending the “door closed” signal to the control board.
Damaged door hinge: A sagging door caused by a worn hinge can prevent the latch from aligning with the strike.
Control board fault: Rarely, the main control board fails to process the door closed signal even when the lock is working correctly.

Step-by-Step Repair for Samsung Washer dC

Step 1 — Power reset: Press Power to turn off the washer. Unplug from the wall. Wait 5 minutes. Plug back in and attempt a cycle. If dC clears, it was a temporary control glitch.

Step 2 — Check door and seal: Open the door and inspect the rubber door seal around the drum opening. Look for small items of clothing, coins, or debris caught in the fold of the seal. Wipe the seal clean and ensure nothing obstructs the door closing.

Step 3 — Inspect the door latch: With the door open, look at the plastic latch hook that protrudes from the door. Check for cracking, bending, or breakage. The latch hook must engage fully with the door strike on the machine to trigger the lock sensor.

Step 4 — Test the door lock assembly: The electronic door lock (interlock) is located inside the machine frame at the door opening. Unplug the washer and use a multimeter to test the door lock switch for continuity. A faulty lock assembly will show no continuity and must be replaced. Samsung door lock assemblies are model-specific — locate your full model number on the sticker inside the door frame before ordering a replacement part.

Step 5 — Check door hinges: If the door is visibly sagging or does not align with the drum opening, the hinges may need tightening or replacement. A misaligned door will prevent the latch from reaching the strike.

Related Samsung Washer Door Error Codes

The Samsung Washer dC error is part of a family of door-related fault codes. If your washer shows a more specific door error, see the related guides below: