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Why is there no water entering the dishwasher?
To avoid personal injury or death, disconnect your appliance from its power source before you start any troubleshooting or repair work. Use caution when working inside any appliance.
If you have no water entering your dishwasher, check the door latch, the household water supply to the dishwasher, the float switch or overfill protector, and the water-inlet valve. Many dishwashers have a timed fill rather than a metered fill. Some turn-to-start models may take several minutes before they start filling.
To measure the level of the water in the tub of the dishwasher, there is a plastic float near the bottom of the dishwasher that activates a switch once the water has lifted it to a certain level. If the switch is not working properly it could prevent water from entering the dishwasher. Additionally, if the float gets stuck, the switch will be activated and keep the inlet valve from allowing water into the dishwasher. Make sure that the float is moving freely up and down. If the float or the switch are not working properly, they need to be replaced.
All of the water enters the dishwasher through the water-inlet valve. If the water-inlet valve does not close, you can disconnect the power to either the valve or the dishwasher, and the flow of water should stop. If there is any debris or hard water deposits keeping it open, you will need to turn off the water supply to the dishwasher and replace the valve.