Samsung dE fault codewhat it means and how to fix it
The machine cannot confirm the door is locked, so it will not start. On an AddWash there is a second hatch with its own interlock to check.
Take care
What dE means
A washing machine will not turn the drum until an electrical interlock confirms the door is shut and latched. That is not a convenience feature: it is what stops the drum spinning with the door open. When the machine cannot get that confirmation it stops and shows dE, or dC on newer models, and no amount of pressing start will override it.
Most of the time the door genuinely is not shut. A sleeve caught in the seal, a duvet pressing against the glass, or a load stuffed past the point where the door can close squarely will all hold it a few millimetres open — enough for the latch to miss. The AddWash models add a wrinkle worth knowing about, because the small hatch in the main door has its own interlock and its own codes. If your machine has that hatch and you are seeing a door fault, check the hatch is properly closed as well as the main door.
What causes it
| Cause | What is actually happening | How likely |
|---|---|---|
| Something trapped in the seal | A sleeve, a sock or a corner of a duvet holding the door fractionally open. First thing to check and by far the most common answer. | Common |
| Machine overloaded | Washing pressed hard against the glass stops the door pulling square onto the catch. Take a third of the load out and try again. | Common |
| Door interlock failed | The interlock is a consumable and heat-cycles thousands of times. When it goes, the door often feels perfectly normal and the machine simply will not accept it. | Occasional |
| Latch or hinge worn out of alignment | On an older machine the door drops slightly on its hinge and the catch no longer lines up. You can sometimes feel it needing a lift to close. | Occasional |
What to try yourself
Open the door fully and run a finger right round the rubber seal. Look for a sleeve, a sock, or a corner of fabric caught between the seal and the glass.
If the drum is packed, take a third of the washing out. A load that presses against the glass stops the door closing squarely even when it appears shut.
Close the door deliberately: push it until you hear the catch click, rather than swinging it. If it will not click, lift very slightly as you push in case the hinge has dropped.
On an AddWash, check the small hatch as well. It has its own interlock and will hold the machine exactly the same way as the main door.
Switch off at the wall for a minute and back on — Samsung’s remedy for the door codes is only to check the door and the load, so this is a general reset rather than their instruction. If the door is genuinely shut and the code persists, the interlock has failed and needs replacing.
Get a qualified appliance engineer to look at your Samsung dE
We do not pass enquiries to a repair firm, so there is no form here. When you book a qualified appliance engineer, tell them the make, the model and the exact code or message on the display, and ask whether they carry parts for this make — that is what turns one visit into a repair rather than a quote.
What it costs to fix
Typical repair cost
£0–£140
Time on site
15 minutes
Free if it is a trapped sleeve or an overloaded drum. A replacement door interlock runs about £80 to £140 fitted, and it is a common enough part that no engineer will need to order it in.
Typical UK prices including parts and labour, updated September 2026. Your quote may differ.
Own this appliance and had this code? . Nothing is published until a person has read it.
Related Samsung fault codes
- DDCUsually simple to fixNot a fault. The AddWash hatch was opened and closed without pressing start again, so the machine is waiting for you to tell it to carry on.Related: door and interlock
- 5EGet it checkedThe machine could not empty within the time it allows. On a Samsung this is the single most common code, and the filter behind the front flap is the usual answer.Related: same brand
- 4EGet it checkedThe machine asked for water and did not get enough in the time allowed. Nine times out of ten the answer is at the tap rather than inside the machine.Related: same brand
- UEUsually simple to fixThe load is on one side of the drum and the machine has refused to spin. Samsung are explicit that this is not a fault — it is the machine protecting itself.Related: same brand
- SudUsually simple to fixThe machine has detected far more foam than it can spin safely. It is usually too much detergent, and it usually clears itself if you let it.Related: same brand
- 3EGet it checkedThe motor is not turning as commanded. Samsung ask you to power off and retry once, and if it returns it is a repair rather than a glitch.Related: same brand
Own a Samsung washing machine? Save it and its codes come first next time.
Related guides
Common questions about Samsung dE
The door is definitely shut. Why does it still say dE?
Because the machine is not reading the door itself, it is reading the interlock. A failed interlock reports an open door on a door that is closed, latched and looks perfect. If you have checked the seal and the load, that is what it is.
How do I get the door open when it is stuck shut with water inside?
Drain it first using the emergency hose behind the filter flap. Many machines will not release the door while water is above the level of the glass, and forcing it is how you flood a kitchen.
Is a door interlock worth replacing?
Usually yes. It is a common part, typically £80 to £140 fitted, and it is not the kind of failure that signals the rest of the machine is on the way out.
I have seen dC described as an unbalanced load rather than a door fault. Which is it?
Both, and this is Samsung’s own inconsistency rather than a mistake on a repair site. Samsung UK list dC only as a door fault. Samsung’s support pages for the Americas state that on some models dC is a door error and on others it is an unbalanced load error, and tell owners to check the manual for their specific model. So if you have been through the seal, the load and the latch and the machine actually stopped mid-spin with sodden washing, read it as an unbalanced load instead and redistribute. Your own manual is the only thing that settles it.
Technical review
Not reviewed by an engineer
No engineer has read this page. Severity follows what the manufacturer publishes, and we would rather tell you that than let a byline imply a sign-off.
Sources and how we verified this
We establish the facts from the sources below and then write the explanation ourselves. We do not copy manufacturer wording and we do not host their manuals.
- Manufacturer support portal
This page has not been reviewed by an engineer, and we would rather tell you that than imply otherwise. The severity rating follows what the manufacturer publishes: where they say isolate the appliance and call someone, so do we.