LG Dishwasher AE Error Code?

Your LG dishwasher just flashed an AE error, quit mid-cycle, and now there's water creeping across your kitchen floor, and yeah, that's a bad Tuesday.

Cartoon scene inside a residential kitchen. An LG dishwasher is open mid-cycle w

What's Actually Going On

The AE error code on an LG dishwasher means the unit's internal leak sensor tripped. LG builds a float sensor into the base pan of most of their dishwashers, and the second that pan collects even a little standing water, the machine throws the AE code and shuts itself down. It's a safety feature, not a death sentence, but it does mean something is letting water escape that shouldn't be.

The most common culprit? The door latch assembly. When the door latch wears out, warps, or breaks, it stops pulling the door tight against the tub gasket. That tiny gap, you might not even see it, lets water mist or drip out every time the spray arms cycle. Over hundreds of washes, the latch plastic fatigues, the alignment shifts, and suddenly you've got a puddle on the floor and an LG dishwasher leaking situation that's getting worse every load.

Before you assume it's the door gasket (the rubber seal around the tub opening), check the latch first. A bad gasket can absolutely cause this too, and if yours is cracked, flattened, or torn you'll want to replace it. But in the majority of AE error calls we see at YAP, the gasket is still fine, it's the latch that's not pulling it closed hard enough to do its job.

Cartoon close-up scene of the inside of an LG dishwasher door. YAP Dude is leani

The Fix

Here's how to diagnose and replace the door latch assembly on your LG dishwasher:

Kill the power first. Unplug the unit or flip the breaker. Non-negotiable.
Dry out the base pan. Pull the lower kick panel off (usually two or three screws). Use a towel or a wet vac to soak up any standing water from the drip pan. If you skip this, the AE error will keep triggering even after the repair.
Inspect the latch. Open the door and look at the latch mechanism on the door's inner panel. Wiggle it. If there's play, cracking, or the striker doesn't click in firmly, you've found your problem.
Check the gasket while you're in there. Run your fingers around the full perimeter. Flat spots, cracks, or sections pulling away from the channel = replace it. If it feels pliable and seals evenly, leave it.
Swap the door latch assembly. The replacement part for most affected LG units is AEB72923604. Remove the inner door panel (screws around the perimeter), disconnect the latch wiring harness, unscrew the old latch, and drop the new one in. Reverse the steps to reassemble.
Run a short cycle and watch it. Don't walk away. Watch the door seal during the first few minutes of the wash cycle and confirm no LG dishwasher leaking is happening before you trust it unattended.

Part AEB72923604 is an OEM LG door latch assembly, we stock it right here at the Piedmont shop and it moves fast, so call ahead if you want to make sure we've got one waiting for you.

Cartoon scene of YAP Dude crouched in front of an LG dishwasher with the inner d

When to Call YAP vs. DIY

DIY it if you're comfortable removing an inner door panel and disconnecting a wiring harness, this is a beginner-to-intermediate repair and the part AEB72923604 makes it straightforward.

Call YAP if you've replaced the latch and you're still getting the LG dishwasher AE error, because at that point you may be looking at a failed sump seal, a cracked tub, or a faulty leak sensor, and we'll help you figure out which one without guessing.

Swing by the Piedmont shop or text us at 405-876-8100, we'll pull the part number, confirm fitment on your specific LG model, and get you out the door fast.