LG dishwasher error code

E1

Leak or overfill detected

The overfill protection switch tripped because water reached the base of the dishwasher.

Try these free fixes first

Unplug the dishwasher before opening any panel.

  1. Turn the dishwasher off at the breaker and unplug it if accessible.
  2. Check that the door closes fully and the door gasket is clean and seated.
  3. Remove any dish or utensil blocking the door.
  4. Leave the unit unplugged for about 48 hours so the base can dry completely.
  5. Make sure the dishwasher is level, then power it back on and test a cycle.

Still showing E1?

Call a technician if the code returns after the base has dried, since a leaking hose, seal or flood sensor is usually to blame.

Leak sensor / door gasketCheck that the part matches your exact model number (usually on a sticker inside the door or on the back).Find the part
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Questions people ask

What does E1 mean on a LG dishwasher?

E1 on a LG dishwasher means: leak or overfill detected. The overfill protection switch tripped because water reached the base of the dishwasher.

How do I fix LG dishwasher error E1?

Turn the dishwasher off at the breaker and unplug it if accessible. Check that the door closes fully and the door gasket is clean and seated. Remove any dish or utensil blocking the door. Leave the unit unplugged for about 48 hours so the base can dry completely. Make sure the dishwasher is level, then power it back on and test a cycle.

When should I call a repair technician?

Call a technician if the code returns after the base has dried, since a leaking hose, seal or flood sensor is usually to blame.

Related dishwasher codes

Samsung LCDishwasher: Leak detectedBosch E15Dishwasher: Water detected in the baseWhirlpool F8E4Dishwasher: Water detected in drip trayGE LEAK DETECTEDDishwasher: Possible leak detectedMaytag F8 E4Dishwasher: Water in drip trayElectrolux i30Dishwasher: Leak protection activated

Source: LG official support · Reviewed 2026-10-01