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ErrBase

LG Washer DE Code: Door Latch Problems and Solutions

Quick Answer

Start with the physical check: push the door firmly and listen for a click. On LG front-loaders, the door needs to seat fully against the gasket for the latch hook to engage the door lock switch. If you hear a click but DE persists, the door latch assembly or the door strike is worn.

Start with the physical check: push the door firmly and listen for a click. On LG front-loaders, the door needs to seat fully against the gasket for the latch hook to engage the door lock switch. If you hear a click but DE persists, the door latch assembly or the door strike is worn. If the door feels loose or the hinge sags, that is causing the latch to miss. Most DE repairs cost $25-45 in parts.

LgWasherSeverity: moderateDifficulty: intermediate80% DIY Success
Time to Fix
15–60 min
Difficulty
intermediate
Parts Cost
$10 – $45
Tools Needed
Multimeter, Phillips screwdriver
Wrong code?

Not seeing DE on your display?

Select what your appliance is actually doing and we'll take you to the right guide.

door lock solenoid failure
DL
door interlock preventing cycle start
WONTON
door lock failure
WhirlpoolF5E2

What Does the DE Code Mean?

LG front-load washers require the door latch hook to engage a switch inside the door lock assembly before any cycle can start. DE means the switch never received the engaged signal. The door itself may be visually closed but slightly misaligned - even 3-4mm off-center prevents the latch from hitting the switch.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Worn door latch hook not engaging the lock switch fully40%
Door hinge sag causing door to hang lower than the latch plate24%
Broken or cracked door strike (the plastic catch on the door)14%
Wiring harness to door lock disconnected or corroded12%
Door lock assembly solenoid failed10%

Symptoms You May Notice

  • DE displayed when attempting to start a cycle
  • Door appears closed but DE still shows
  • Door makes no click sound when closed
  • Previous cycle completed but DE now shows on restart

Tools Required for Diagnosis

MultimeterPhillips screwdriverTorx T20 (some models)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Physical inspection - push, listen, feel

Open the door fully. Inspect the rubber door gasket for any items caught in the seal. Close the door slowly and firmly until you hear a definitive click. If you do not hear a click, the latch hook is not engaging. Push the door harder - if it clicks and DE clears, the door needs to be pushed more firmly than usual, indicating latch wear.

2

Inspect the door latch hook and strike

3

Check door hinge alignment

4

Test the door lock assembly

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Door Lock AssemblyAGF76349501 · $20–$45
Door Latch Hook (door side)AEQ73110204 · $10–$25

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $28 (Parts) vs $550 (New Machine)

Frequently Asked Questions

What is the difference between DE and DL on LG washers?
DE means the washer does not detect the door as closed - the latch hook is not engaging the switch. DL means the door latch is physically engaged but the lock solenoid failed to electrically lock it. DE is usually a mechanical or alignment issue. DL is usually a solenoid or electrical failure. Both prevent the washer from starting.
Can I force the door closed to bypass DE?
No. Even if you physically force the door closed, the lock switch must register engagement for the washer to start. Bypassing the door interlock is dangerous - it allows the drum to spin with an unsecured door, creating a serious injury risk. Fix the underlying cause instead.
How much does a door latch replacement cost?
The door latch hook on the door typically costs $10-25. The door lock assembly (which contains the switch and solenoid) costs $20-45. Labor from a technician adds $80-120. Most DE repairs are accessible DIY jobs that require only a screwdriver and 30 minutes.

Related Lg Washer Error Codes

Code: DLLG Washer DL Error: Door Lock Mechanism FailureCode: HUBLG Washer Error Codes: Full ListCode: WONTONLG Washer Won't Turn On

Same Fix on Other Brands

Whirlpool washerF5E2: Whirlpool Washer F5E2: Door Lock Error

Same Fix Works on These Brands

Lg shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience DE Errors

This repair applies to most Lg washers with this error code. Common model numbers include:

WM3700HWA, WM4000HWA, WM5000HVA, WM3900HBA, WM6998HBA, WM8100HVA, WM3470HWA, WM1333HW

Last verified for technical accuracy on March 13, 2026