To troubleshoot a KitchenAid dishwasher that isn't turning on, begin by identifying the problem and taking steps to make repairs. A flipped breaker or an improperly latched door, for example, may be repaired within a few moments, but more complex repairs can require several hours after locating the needed parts.
- Test the power source
Check the outlet and breaker that are connected to the dishwasher first. If the dishwasher isn't receiving power and is hard-wired to the breaker box, locate the breaker that operates the dishwasher and turn it to the on position. Check the outlet using a voltage tester if the dishwasher has a power cord.
- Check the door
The door switch and door latch must be in proper working order to start the dishwasher. Examine the latch, and replace it if any parts appear damaged or broken. To examine the door switch, unplug the dishwasher and remove the inside door panel. Some KitchenAid dishwashers feature a control panel that houses the door switch.
- Test the main control board
If the door is properly latched and the dishwasher is receiving power, the problem may be the main control board. The main control board is typically located inside the control panel or behind the panel on the inside of the dishwasher door.