FixByModel
FE

LG FE: Fill/overfill error — too much water

The dishwasher detected more water in the tub than it should have and automatically runs the drain pump. It is frequently triggered by over-sudsing from the wrong detergent.

DIY fix

By the FixByModel editorial team · Verified 2026-09 · Researched against manufacturer support & repair references (below)

Most likely causes

  1. Using hand dishwashing liquid or too much detergent, causing excessive suds
  2. Dishwasher not level or door not aligned
  3. Faulty water inlet valve letting water in continuously
  4. Failed water-level (float) sensor
  5. Control board fault
Where water collects
1Door gasket
2Hoses & sump
3Base tray
4Float switch

Schematic illustration of a typical dishwasher — not your exact model.

Before you start — unplug the appliance and turn off the water supply. You'll be working near water and electrical parts, and drained water can be hot. If a step involves the pump, wiring, or opening the cabinet and you're unsure, stop and call a qualified technician.

Step-by-step fix

1Use the right detergentUse only detergent formulated for dishwashers, never hand dish soap, and avoid overdosing to prevent excess suds.
2Power resetPress POWER off, switch the breaker off for about 10 seconds, restore power, press POWER on, and start a new cycle.
3Check leveling and doorConfirm the dishwasher is level and the door is properly aligned so water sits and drains correctly.
4Let it drainAllow the drain pump to clear the excess water before restarting the cycle.
5Call for service if it persistsIf FE returns, the inlet valve, level sensor, or control board likely needs professional repair.

Still showing FE?

If you’ve worked through every step and FE keeps returning, an internal part likely needs testing and replacement. That’s a job for a qualified appliance technician, who can measure the suspect part against the service-manual spec before replacing it.

Which models this applies to

LG dishwashers. Most LG dishwashers; LG groups FE with AE/RE overfill behavior on some models.

FAQ

What does LG FE mean?

Fill/overfill error — too much water. The dishwasher detected more water in the tub than it should have and automatically runs the drain pump. It is frequently triggered by over-sudsing from the wrong detergent.

What causes LG FE?

The most likely cause is using hand dishwashing liquid or too much detergent, causing excessive suds. Other causes include Dishwasher not level or door not aligned; Faulty water inlet valve letting water in continuously; Failed water-level (float) sensor; Control board fault.

Can I fix LG FE myself?

Usually yes. Start by working through the steps above, beginning with: use only detergent formulated for dishwashers, never hand dish soap, and avoid overdosing to prevent excess suds.