DC1
Samsung Washing Machine
Severity: ModerateWhat Does This Error Mean?
The DC1 error means your Samsung washer cannot lock the door properly. The machine won't start a cycle until the door is securely closed and locked. This is a safety feature — washing with an unlocked door would be dangerous. Often a simple fix, but sometimes the door lock needs replacing.
Affected Models
- WF45R6100AW
- WF50R8500AV
- WF45T6000AW
- WF42H5000AW
- Most Samsung front-load washers
Common Causes
- Clothing or small items caught in the door, preventing a full seal
- Worn or broken door latch that no longer clicks into place
- Faulty door lock assembly (the electronic lock mechanism)
- Wiring harness connection to the door lock is loose or damaged
- Control board failure causing incorrect signals to the door lock
How to Fix It
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Open the door and check for any clothing caught in the door seal.
Even a small piece of fabric caught in the gasket can prevent the door from latching fully. Remove any items and try closing the door again.
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Clean the door latch and strike with a damp cloth.
Detergent residue or lint can build up on the latch and prevent it from clicking properly. Wipe both the latch on the door and the catch on the frame.
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Close the door firmly and listen for a click.
The door should click shut with light, firm pressure. If it feels loose or doesn't click, the latch mechanism may be worn out.
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Unplug the washer for 5 minutes, then plug it back in.
A soft reset can clear the DC1 error if it was caused by a temporary electronic glitch. Try starting a cycle after the reset.
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If the error persists, the door lock assembly likely needs replacing.
Replacement door lock assemblies cost $20–$60. Installation is moderately difficult — consider calling a technician if you are not comfortable with appliance repairs.
When to Call a Professional
If replacing the door latch does not fix the DC1 error, call a technician. A faulty door lock assembly or wiring issue requires professional diagnosis. Samsung support or a licensed appliance repair technician can help. Expect repair costs of $100–$250 for a door lock replacement with labor.
Frequently Asked Questions
Can I force the washer to run with a DC1 error?
No — and you should not try. The door lock is a safety feature that prevents the door from flying open mid-cycle. The washer will not start until the door is properly locked. Fix the latch first before running any laundry.
How long does a door lock assembly last?
Most door lock assemblies last 5–10 years with normal use. Frequent heavy loads and slamming the door shortens their lifespan. Replacement parts are widely available for Samsung washers and are reasonably priced.
Is DC1 the same as the DC error on Samsung washers?
No — they are different errors. DC means the load is unbalanced inside the drum. DC1 specifically means the door lock mechanism failed. Check which code is on your display before troubleshooting.