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LG washer DE error code

LG washer DE indicates the door lock circuit did not engage — the cycle will not start or continue. Clothing caught in the door seal, a bent strike, or a failed door lock motor are the main causes. On front-load LG washers the lock assembly sits behind the front panel near the latch; DE often appears after a power bump or forced door open mid-cycle.

Reviewed August 2025 · sources below

Safe to keep using?

Safe for limited use

No immediate safety hazard detected, but monitor during use.

  • • Monitor the appliance during use and stop if symptoms worsen.

5 product recalls may apply

Brand-level matches — verify your model.

Show

  • LG Recalls Top-Loading Washing Machines Due to Risk of Injury

    Dec 2012 · Confirm your model

    Notice

  • Kid's Sipper Bottles Recalled by Walgreen

    Apr 1999 · Confirm your model

    Notice

  • Eyeball and Smiley Face Floating Balls Recalled by Atico International

    Apr 1998 · Confirm your model

    Notice

  • Curtain-Style Holiday Lights Recall

    Dec 1997 · Confirm your model

    Notice

  • Smoke Tote Cigarette Lighters Recalled by Walgreen

    Sep 1997 · Confirm your model

    Notice

Next step

Still seeing DE?

Show a photo or describe the symptom. Answer a few safety-first questions and see whether a part is needed.

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How to fix DE

  1. Unplug the washer and inspect the door gasket for clothing or debris preventing a full seal.
  2. Close the door firmly until you hear the latch click. Try a different cycle — DE can be intermittent if the strike is misaligned.
  3. Power off for 5 minutes to reset the lock board, then retry. Avoid pulling the door open while the lock LED is on.
  4. If DE returns every cycle, the door lock assembly (EAU59551204 on many models) may have failed — you will hear no lock motor whir when starting.
  5. Check wiring to the lock harness for loose connectors at the front panel.

Call a pro when: Call a technician if the door will not unlock after power off or you see melted wiring at the lock harness.

What DE means

Door lock error.

Buy the replacement part

LG Washer Door Lock

MPN: EAU59551204

Check current price on Amazon

Search part on AmazonView part details

Amazon link · paid affiliate link. Confirm fit and listing before ordering.

DIY Difficulty
1 /10EASY

This is a straightforward homeowner task with basic tools and low risk.

Time: 15–30 minutes
Risk: Low
Skill: Beginner
Tools: Screwdriver, Adjustable pliers, Flashlight

Likely causes

Most likelyUser-serviceable issue

Many codes resolve with cleaning, resetting, or reconnecting.

Check: Power-cycle the appliance and check for obvious blockages or loose connections.

Est. cost: $0–$0

PossibleFailed component

Wear or electrical failure of an internal part.

Check: If basic checks fail, the faulty component likely needs replacement.

Est. cost: $0–$75

Repair or Replace?

DIY repair

$26–$49

Professional repair

$191–$259

Comparable replacement

$659–$891

Our recommendation

REPAIR LIKELY MAKES SENSE

REPAIR LIKELY MAKES SENSE. Professional repair ($191–$259) is well below replacement cost.

Actual repair and replacement costs vary by model, location, labor rate, and condition.

Guided repair checklist

Complete the safe checks one at a time. Progress is saved for this browser so you can continue later.

0 of 5 checks recorded

Recommended next action

Start with this check before considering replacement parts.

Check 1 of 5

Unplug the washer and inspect the door gasket for clothing or debris preventing a full seal.

Did the repair resolve the issue?

Restoring repair progress…

Repair videos

How to Fix LG Washer DE Error Code [ Easy Fix ] Also for DE1 & De2 Errors

How to Fix LG Washer DE Error Code [ Easy Fix ] Also for DE1 & De2 Errors

LG Washing Machine dE Error - Fix

LG Washing Machine dE Error - Fix

DE error code fix without replacing door switch

DE error code fix without replacing door switch

User manuals
Start with the official support page, then use the search options if that link has moved. You’ll usually need your model number.
OfficialLG product manuals

Enter your model number to download LG manuals and docs.

Manual librarySearch LG Washer manuals on ManualsLib

Free scanned manuals — search results, not a guaranteed match.

Web searchSearch the web for LG Washer user manual

Useful when manufacturer pages move or don’t list older models.

Questions about DE

What does DE mean on LG washer?

DE is a door lock error — the control did not detect a locked door. Obstructions and a failed lock motor are common causes.

How do I reset LG DE?

Clear the door seal, unplug for 5 minutes, and restart. DE clears when the lock engages successfully.

What part fixes LG DE?

The door lock assembly (often EAU59551204) if the lock motor no longer engages. Try cleaning and reset first.

Can I open the door during DE?

Wait until the lock releases — usually 1–3 minutes after power off. Forcing it can damage the latch.

LG DE on specific models

WM3900HWA DE

Other LG Washer codes

LG OELG UELG FELG LELG PESamsung 4C

Prevent this problem next time

  • Follow manufacturer maintenance schedule
  • Address small issues before they worsen

Sources

Manufacturer meaning

Door lock error.

FixApplianceCode guidance

Start with basic checks for LG DE before ordering parts.

Source type: Part database

Source: ModelPartFinder + FixApplianceCode editorial

Last reviewed: 2026-11-07

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