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Source-backed error-code guide

Reviewed

KitchenAid Dishwasher F6 E4 Error Code

KitchenAid identifies F6 E4 with the water float switch and specifically notes that an incorrectly leveled dishwasher can actuate the overfill/float switch. Owner checks should stay limited to external leveling and one power cycle.

Applies to KitchenAid dishwasher using the documented F/E display family

What the appliance detected

Detected condition

The dishwasher reports a water-float-switch condition on a supported model.

What may contribute

Possible causes

  • The dishwasher may be out of level.
  • The overfill or float-switch system may be actuated.
  • A persistent float, connector, harness, water-level, or control issue may require service.

Start conservatively

Safe preliminary checks

Work in order and stop whenever a step is not supported by the documentation for your model.

  1. Check the appliance level externally

    • Confirm the dishwasher is sitting level using the normal installation reference points without removing service panels.
    • If a recent installation left the dishwasher visibly tilted or rocking, correct only the owner-safe leveling steps in the installation instructions.

  2. Look for visible water problems

    • Check for active leaking or unusual standing water before resetting anything.
    • If water is leaking near electrical areas, stop use and shut off the water supply if safely accessible.

  3. Power-cycle once after safe external checks

    • Disconnect power for 30 seconds and restore it.
    • If F6 E4 returns, request service.

Actions not recommended

  • Do not reach into the base to manipulate or bypass the float switch.
  • Do not remove panels or work around wet electrical components.
  • Do not replace the float switch from F6 E4 alone.

When to stop and request service

  • F6 E4 returns after level and visible-water checks.
  • The dishwasher cannot be leveled safely or continues to leak.
  • Internal float, water-level, harness, or control diagnosis is required.

Documented source

Official information reviewed

Our summary is based on manufacturer support material and stays within the limits of that material.

Source reviewed by Appliance Help HQ: September 23, 2026.

Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by KitchenAid.

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