How to test a dishwasher float

Written by meredith jameson
  • Share
  • Tweet
  • Share
  • Pin
  • Email
How to test a dishwasher float
Testing an overfill protection float in a dishwasher is fairly simple to do. (Jupiterimages/ Images)

Many dishwashers have an overfill protection float that is located on the bottom of the dishwasher tub. The overfill protection float is responsible for the float switch assembly, and if the float gets stuck in position, water may not be able to enter or may leak from the dishwasher. The overfill protection float looks like a small, plastic cone. Testing the overfill protection float to make sure it is able to float freely and is not caught in place can help prevent or resolve leaking or a lack of water filling the unit.

Skill level:
Moderately Easy

Other People Are Reading

Things you need

  • Clean cloth(s)

Show MoreHide


  1. 1

    Turn off and unplug the dishwasher.

  2. 2

    Pull out the bottom rack and locate the overfill protection float, typically located near the spray arm.

  3. 3

    Push down on the float to test whether it can move up and down on the shaft. If the float is stuck, clean away any debris with a clean cloth.

  4. 4

    Remove the float from the shaft by pulling gently and use a clean, damp cloth to clean any debris from inside the float. Restore the float on the shaft.

  5. 5

    Push down gently on the float to ensure it can move freely. Clean any large debris or items from the bottom of the dishwasher that may inhibit float movement.

  6. 6

    Push the bottom rack into place and restore power.

Don't Miss

  • All types
  • Articles
  • Slideshows
  • Videos
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the site, you consent to the use of cookies. For more information, please see our Cookie policy.