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ErrBase

DL Error on LG Washer: Door Lock Mechanism Failure

Quick Answer

DL is different from DE. With DL, the door is physically closed and latched - but the electric lock mechanism inside the door lock assembly did not engage. This is a solenoid or wiring issue, not a mechanical alignment problem.

DL is different from DE. With DL, the door is physically closed and latched - but the electric lock mechanism inside the door lock assembly did not engage. This is a solenoid or wiring issue, not a mechanical alignment problem. Check the wiring connector first (5 minutes, free), then test the door lock solenoid with a multimeter before buying a replacement assembly.

LgWasherSeverity: moderateDifficulty: intermediate82% DIY Success
Time to Fix
20–60 min
Difficulty
intermediate
Parts Cost
$20 – $45
Tools Needed
Multimeter, Phillips screwdriver
Wrong code?

Not seeing DL on your display?

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

door not detected as closed
DE

What Does the DL Code Mean?

LG front-loaders use a two-stage door security system. First the latch hook engages mechanically (the click you hear). Then the control board sends voltage to a solenoid that extends a locking pin, preventing the door from being opened mid-cycle. DL means the second stage failed - the solenoid is not receiving voltage, the solenoid is dead, or the lock assembly is not sending back the locked confirmation.

Most Likely Causes

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

Failed door lock solenoid (actuator)40%
Wiring harness to door lock assembly loose or damaged24%
Door lock assembly circuit board failed14%
Lock assembly worn — solenoid engages intermittently12%
Control board not sending correct voltage to lock solenoid10%

Symptoms You May Notice

  • DL displayed, cycle will not start
  • Door appears and feels closed but DL shows
  • Washer worked fine mid-cycle then DL appeared and stopped
  • DL appears randomly during spin (lock disengaging under vibration)

Tools Required for Diagnosis

MultimeterPhillips screwdriverFlathead screwdriver (for gasket lip)

Diagnostic Checklist

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

1

Distinguish DL from DE

Close the door and push firmly. If you hear a clear click (latch engaged) but DL still shows, you have a true DL issue - the electric lock solenoid is not confirming lock. If you hear no click, this may actually be a DE (door not closing) issue in disguise. Confirm which code is actually on the display.

2

Check the door lock wiring harness connector

3

Test the door lock solenoid

4

Replace the door lock assembly

ComponentComponent Under Test
Expected Range30–200 ohms (solenoid coil)
ConditionIf Open (OL) or infinite, replace component.

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

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $33 (Parts) vs $550 (New Machine)

Frequently Asked Questions

Why does DL show but my door seems locked?
The latch hook (mechanical) and the electric lock solenoid (electrical) are two separate systems. The latch hook clicking means the mechanical engagement happened. DL means the solenoid confirmation signal was not received by the control board. The door may feel latched but the solenoid pin did not extend or did not send back its confirmation signal.
Can I open the door when DL is active?
If DL appeared and the solenoid never engaged, the mechanical latch may be the only thing holding the door. Pressing Pause will attempt a normal unlock sequence. If the washer is unresponsive, look for the manual emergency door release - on most LG front-loaders it is a small pull tab or loop inside the access panel at the bottom front. Pull it slowly to release the mechanical latch.
Is the door lock assembly the same as the door latch?
No. The door latch is the mechanical hook on the door that engages the strike plate. The door lock assembly is the electrically controlled unit inside the washer cabinet that receives the latch hook and contains both the switch (to detect closure) and the solenoid (to electrically lock the door). DL involves the lock assembly, DE can involve either the latch or the assembly.

Related Lg Washer Error Codes

Code: DELG Washer DE Error: Door Not ClosedCode: HUBLG Washer Error Codes: Full ListCode: RESETHow to Reset an LG Washer

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 DL Errors

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

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

Last verified for technical accuracy on March 13, 2026