FixByModel
F6E4

Maytag F6E4: Overfill float switch tripped or not level

The overfill (float) switch has signaled too much water, most often because the dishwasher is not sitting level. The cycle stops to prevent overfilling.

DIY fix

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

Most likely causes

  1. Dishwasher not level in the cabinet
  2. Debris holding the overfill float up
  3. Sticking or faulty float switch
  4. Overfilling caused by a fill-valve 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

1Power resetDisconnect power for 30 seconds, then restore it and retry.
2Level the unitCheck with a bubble level front-to-back and side-to-side, and adjust the leveling legs until level.
3Free the floatLocate the float in the bottom of the tub and clear any debris so it moves up and down freely.
4Test the floatLift and release the float; it should drop back and click. Clean the area if it feels sticky.
5Call for serviceIf the code returns after leveling and cleaning, the float switch or control may need professional service.

Still showing F6E4?

If you’ve worked through every step and F6E4 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

Maytag dishwashers. Maytag F#E# platform dishwashers (MDB-series), roughly 2015-present

FAQ

What does Maytag F6E4 mean?

Overfill float switch tripped or not level. The overfill (float) switch has signaled too much water, most often because the dishwasher is not sitting level. The cycle stops to prevent overfilling.

What causes Maytag F6E4?

The most likely cause is dishwasher not level in the cabinet. Other causes include Debris holding the overfill float up; Sticking or faulty float switch; Overfilling caused by a fill-valve fault.

Can I fix Maytag F6E4 myself?

Usually yes. Start by working through the steps above, beginning with: disconnect power for 30 seconds, then restore it and retry.