Why does my dishwasher keep beeping?
Dishwashers equipped with an electronic control may start displaying blinking lights or have beeping sounds. This alerts the user that the dishwasher may need attention. A beeping sound every 30 seconds: Indicates the dishwasher door was unlatched during the cycle. Close the dishwasher door to resume the cycle.
How does dishwasher door latch work?
Door Latch Assembly Your dishwasher is designed to start only once the door latch at the top of the tub is closed. When the latch closes properly, the latch switches set the dishwasher controls in motion to start the machine. When you remove that panel, you’ll see the latch assembly at the top of the door.