LG Dishwasher Error AE: What It Means and How to Fix It

Short answer

AE on a LG dishwasher means: the water supply exceeded the standard amount, or a leak was detected. The dishwasher keeps draining to protect the floor. First step: Load large plates/pots upside down.

Leakage / overfilling

Likely causes

  • Oversudsing from dishwashing liquid
  • Unit not level / door misaligned
  • Water poured into the Heat Dry blower

How to fix it

  1. 1Load large plates/pots upside down.
  2. 2Use dishwasher detergent, not dishwashing liquid.
  3. 3Check the unit is level and the door aligned.
  4. 4If no water is leaking but the code shows, unplug (built-in: use the controlling switch or power-strip switch) and request service.
  5. 5If the code persists, contact LG customer service.

Safety

  • Do not pour water into the Heat Dry blower – leaks; on built-in units do not pull the unit out, request service to avoid floor damage.

When to call a professional: If the unit is not level or the error persists after levelling – request service.

Applies to: LG dishwashers

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Source

Based on LG's official error code information: LG UK – [LG Dishwasher] Guide to Error Codes. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.

Frequently asked questions

What does LG dishwasher error code AE mean?

The water supply exceeded the standard amount, or a leak was detected. The dishwasher keeps draining to protect the floor.

How do I fix AE on a LG dishwasher?

Load large plates/pots upside down. Use dishwasher detergent, not dishwashing liquid. Check the unit is level and the door aligned. If no water is leaking but the code shows, unplug (built-in: use the controlling switch or power-strip switch) and request service. If the code persists, contact LG customer service.

When should I call a technician for AE?

If the unit is not level or the error persists after levelling – request service.

Other LG dishwasher error codes

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