LG Dryer dE Error Code: Pro Troubleshooting and Repair Guide
Quick Answer
An LG dryer dE error code indicates the door is not sensed as closed. Most service calls for this code are resolved by firmly re-closing the door, cleaning the latch of lint, or replacing a faulty door switch sensor.
Look, a dE code won't hurt your dryer if you catch it quick, but ignore it long enough and you'll be hand-wringing laundry over the sink. The door switch is a safety interlock, so the machine literally won't run without it. I show up to these calls pretty regularly and nine out of ten times it's either a crusty latch that needs five minutes of cleaning or a switch that gave up after years of being slammed. Cheap fix, honestly.
LgDryerSeverity: moderate95% DIY Success
Time to Fix
10–45 min
Difficulty
beginner
Parts Cost
$6 – $130
Tools Needed
Phillips #2 screwdriver, Putty knife or flathead screwdriver for releasing top panel clips
What Does the dE Code Mean?
OK so here's the deal with LG dryers and this code: LG's door switch circuit is actually pretty sensitive compared to some other brands I work on. The control board is constantly polling that switch signal, so even a slightly worn-out strike that makes intermittent contact will throw this code mid-cycle. I've replaced probably 30 or 40 of these switches. The part runs you $20-35 depending on where you buy it, and if you're even a little handy, you can knock this out in under an hour.
Most Likely Causes
Based on aggregated repair data, here is the probability breakdown for this error code:
Failed door switch component45%
Mechanical door closure issue40%
Wiring or connector failure10%
Main control board malfunction5%
Symptoms You May Notice
You hit Start and absolutely nothing happens, not even a hum from the motor, just dE blinking at you.
The dryer was running fine and then quit mid-cycle with a dE on the display, sometimes with a chime.
You can feel the door close and hear the latch click, but the machine still refuses to start.
The code comes and goes depending on exactly how hard you push the door shut, which means something is borderline and wearing out.
The drum light stays on even with the door pushed shut, which is actually the clearest sign the switch isn't registering closed.
Can you reset a Lg dryer to clear the dE code?
Close the door firmly and make sure the latch clicks. Unplug the dryer from the wall for a full 60 seconds. While it's unplugged, hold the Start/Pause button for 5 seconds to bleed the board. Plug it back in, wait for the display to light up, then start a Timed Dry cycle. The dE code should be gone and the drum should spin.
Tools Required for Diagnosis
Phillips #2 screwdriverPutty knife or flathead screwdriver for releasing top panel clipsMultimeter with continuity modeNeedle nose pliersFlashlight or phone torchVacuum with narrow attachment for cleaning lint from latch cavity
Diagnostic Checklist
Follow these steps in order. We start with the easiest external fixes before opening up the machine.
ComponentComponent Under Test
Expected Range0–1 ohms
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
OEM Number
Estimated Price
Door Switch · $12–$32
$12 – $32
Door Strike · $6–$15
$6 – $15
Wiring Harness · $45–$130
$45 – $130
Frequently Asked Questions
Can I bypass the door switch on an LG dryer?
Don't do it. I know it's tempting when you just want to get through a load of laundry right now, but that switch is there for a real reason. If the drum is spinning with the door open, you're one distracted moment away from getting your hand in there or a piece of clothing catching on the drum and starting a fire. The heater element also keeps running without airflow when the door's open, which is a legit fire hazard. The switch is about $25 and takes 30 minutes to replace. That's not worth gambling with.
What's the difference between dE, dE1, and dE2 on LG dryers?
dE is the generic door error. dE1 is more specific to a door switch circuit problem, usually meaning the switch itself failed or there's a wiring issue right at the switch. dE2 sometimes points to a secondary latch sensor, which LG started adding on some higher-end models around 2018 or so. Honestly, for all three, the diagnostic steps are basically the same. Start with the switch, check the wiring, and if those are fine, look at whether the control board is misreading the input. I've seen dE2 caused by a flaky board connector more than once.
Why does my LG dryer show dE in the middle of a cycle?
This one I see a lot. What's usually happening is the door strike is worn down just enough that it barely triggers the switch when the drum is sitting still. But once the motor spins up and the whole cabinet is vibrating, that borderline contact breaks and the board shuts things down. Sometimes just tightening the hinge screws on the door fixes it. Other times the strike or the switch is just worn out and needs replacing. If this is happening consistently in the first 10-15 minutes of a cycle every time, that's almost always a worn strike.
How much does it cost to fix a dE error code on an LG dryer?
Depends on what's actually broken. If it's lint in the latch, that costs you nothing but 10 minutes. A replacement door switch runs $20-40 depending on your model, and part number AEQ73110212 covers a huge range of LG dryers so check that one first. If you call a tech out, figure $80-120 for the service call plus $40-80 for labor, so you're probably looking at $150-200 all in. On a dryer that's 10 or more years old, I'd honestly weigh that against replacement cost before picking up the phone.
How do I know if it's the door switch or the control board causing the dE error?
This is exactly where the multimeter comes in. If you test the door switch and it has proper continuity when pressed and an open circuit when released, the switch is fine mechanically. Then you need to check whether the board is actually seeing that signal. You can check the voltage at the board-side harness connector while pressing the switch closed. If you're getting the right signal at the connector but the board still throws dE, that points to the board itself. Board replacements on LG dryers run $80-150 for the part. At that point if you're not comfortable doing it yourself, it's worth calling a tech.
Models Known to Experience dE Errors
This repair applies to most Lg dryers with this error code. Common model numbers include: