How Do I Fix a Dishwasher That Has Standing Water?


Quick Answer

Disconnect the power, and locate and clean the float in the bottom of the dishwasher to make sure it is operating correctly. If the float is operating correctly, test the electronic switch, and replace it if necessary. Complete the process in under an hour with a screwdriver and a multimeter.

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How Do I Fix a Dishwasher That Has Standing Water?
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Full Answer

  1. Locate the float

    Turn off the circuit breaker before working on the dishwasher. The float is located in the bottom of the dishwasher. It regulates both filling and draining of the dishwasher. Access it by removing the bottom drawer. Some models include a stationary cover over the float. Remove the screws that hold the cover in place to access the float.

  2. Repair the float

    Move the float up and down to ensure it moves freely. If it continues to feel sticky, remove the float, and clean any food that has accumulated inside the unit. Reinstall the float, and test the machine to see if it empties the water.

  3. Test the electronic float switch

    If the dishwasher continues to have standing water, the problem is sometimes a defective electronic switch that the float operates. This switch is located behind the kickplate under the dishwasher. Remove the screws that hold the panel in place. Disconnect the wire connectors from the switch. Touch the probes of the multimeter to the switch terminals. The meter reads zero or infinity. Press the switch and the reading should change to the opposite extreme. If the reading does not change, replace the switch.

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