AE Serious Moderate DIY

LG Dishwasher AE — Leak Detected (Aqua Error)

LG Dishwasher · Error code AE

What AE Means

AE (Aqua Error) means the leak sensor in the base pan detected water — the dishwasher shut down and is pumping to prevent a flood.

Most Likely Fix

Leak detected in base pan

PartLeak / flood sensor (base pan float)
Typical cost$25-60
Difficultymoderate
Time75 min

Tools: screwdriver, nut driver, towels

Diagnose first: Real leak from a hose, pump seal, or sump gasket trips the float; dry the pan and inspect plumbing before replacing the sensor.

Find this part on Amazon →

Symptoms

  • Dishwasher stops and pumps continuously
  • Water under or around the unit
  • AE on the display

Common Causes

1
Leak at a hose or pump seal

A worn pump seal, loose hose clamp, or cracked fitting drips into the base pan.

2
Door gasket leak

A damaged door seal lets water escape the tub.

3
Faulty float/leak sensor

Rarely, a bad sensor false-triggers.

How to Fix It

  1. Unplug the dishwasher and pull it out to inspect the base pan.
  2. Dry the base and run a short cycle, watching for the leak source.
  3. Tighten hose clamps and inspect the pump seal and door gasket.
  4. Replace the leaking component.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement LG Dishwasher Door Gasket / Seal View on Amazon→

Related Repair Guides

Dishwasher Leaking From the Bottom of the Door →

More LG Dishwasher Codes

2H 2H — Delay-start indicator (2 hours remaining) bE bE — Bubble / oversuds error CE CE — Motor / communication error CL CL — Child lock / control lock active CR CR — Test / calibration mode E1 E1 — Leak detected (newer display label)

All LG codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.