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Samsung Washing Machine Error Code DE

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 10, 2026
Medium Severity 🔧🔧 Moderate DIY

Door not properly closed or door lock failure

The most common cause of the DE error on a Samsung washing machine is door not fully pushed closed (laundry caught in seal) (~45% of cases); start with: check for items caught in the door seal.

💰 DIY cost: $30–$100 👨‍🔧 Pro cost: $150–$300 Save $120+ by doing it yourself
Samsung Washing Machine error code DE on the display panel
How the DE code appears on a Samsung washing machine display

What Does Error Code DE Mean on a Samsung Washing Machine?

Door not properly closed or door lock failure.

The control board monitors the door lock switch to confirm the interlock has engaged before allowing a cycle. DE fires when it does not receive the expected locked signal, meaning the door isn't fully latched or the solenoid/switch failed. Because the drum can spin at high speed, the machine refuses to start without a confirmed lock. Unlike FL, which points more directly at a failed lock mechanism, DE often reflects a simple latch or alignment problem before hardware failure.

Models affected: Samsung front-load washers with an electronic door interlock, including models such as WF45T6000AW, WF45R6100AP, WF42H5000AW, and WF50BG8300AV. Some top-loaders with lid-lock circuits may show a related door/lid fault.
What owners report: Owners commonly report this appears right at cycle start, often after a bulky load where a sock or garment corner slips into the gasket and blocks the latch. Many find a firm push until it clicks, plus clearing the seal, resolves it; if it persists after a solid click, the lock assembly or wiring is the more likely culprit.

What Causes Error Code DE?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Door not fully pushed closed (laundry caught in seal) 45% of cases
  2. 2
    Damaged or worn door latch/strike plate 25% of cases
  3. 3
    Faulty door lock solenoid assembly 20% of cases
  4. 4
    Wiring harness to door lock loose or damaged 10% of cases

How to Fix Samsung Washing Machine Error Code DE

🔧🔧 Moderate DIY Est. time: 30–60 min
Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Check for items caught in the door seal

    Pull back the rubber door gasket and check for socks or small items caught between the gasket and drum. A small item can prevent the door from fully closing.

  2. 2

    Close the door firmly

    Push the door firmly until you hear and feel a click. The lock is spring-loaded and requires a definitive push.

  3. 3

    Inspect the door latch and catch

    Look at the door catch on the door and the strike inside the machine. If the plastic is cracked or the latch feels loose, replace the assembly.

    🔩 Samsung door latch assembly ($30–$80)
  4. 4

    Test the door lock solenoid

    If the latch looks fine but the error persists, the lock solenoid (the electrical component inside the door lock) may have failed. Test with a multimeter for continuity.

    🔩 Door lock solenoid ($40–$100)
    ⚠️ Unplug before testing the solenoid.

How to Reset Error Code DE

Make sure the door is fully closed and click-locked. The error should clear when the cycle restarts with a properly secured door.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

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When to Call a Professional

If the door closes and clicks but the error still shows, the door lock solenoid or wiring needs professional replacement.

Average professional repair cost for this issue: $150–$300

Related Error Codes

Same Code on Other Brands

Error code DE appears on these other brands too. See every brand that shows DE →

Find Replacement Parts

Use these links to find the exact replacement parts for your Samsung Washing Machine:

External links — ApplianceErrors.com is not affiliated with these retailers.

More Samsung Washing Machine Error Codes

Frequently Asked Questions

Can I keep using my Samsung Washing Machine when error DE appears? +
You often can for a cycle or two, but the door issue behind DE will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.
What most commonly causes DE on a Samsung Washing Machine? +
Across reported Samsung washing machine repairs, the most frequent is door not fully pushed closed (laundry caught in seal) (45% of cases), damaged or worn door latch/strike plate (25%), then faulty door lock solenoid assembly (20%). Check them in that order before replacing any parts.
DE keeps coming back after a reset — what should I check next? +
A reset only clears the stored DE fault; if it returns, the door problem is still present. Move on to the physical checks — check for items caught in the door seal, then close the door firmly — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.
How much does it cost to fix Samsung Washing Machine error DE? +
A DIY repair typically runs $30–$100 in parts, versus $150–$300 for a professional service call, so handling it yourself saves around $120. Expect the work to take roughly 30–60 minutes.
Which Samsung Washing Machine models show error DE? +
DE is documented on Samsung front-load washers with an electronic door interlock, including models such as WF45T6000AW, WF45R6100AP, WF42H5000AW, and WF50BG8300AV. Some top-loaders with lid-lock circuits may show a related door/lid fault.. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 10, 2026.