If your kitchen aid dishwasher won't light up, the first thing you should check is the power supply. Make sure that the dishwasher is properly plugged in and that the outlet is working. You can also try plugging in another appliance to the same outlet to see if it works. If the power supply is not the issue, move on to the next step.Check the Power Supply
The door switch is responsible for detecting whether the dishwasher door is closed or not. If the door switch is faulty, the dishwasher won't turn on. To check the door switch, open the dishwasher door and locate the switch. Make sure it is not damaged or loose. You can also use a multimeter to test the continuity of the switch. If the switch is faulty, it will need to be replaced.Check the Door Switch
The control panel is the interface of the dishwasher where you select the wash cycle and start the dishwasher. If the control panel is not working, the dishwasher won't light up. Check the control panel for any visible damage or signs of malfunction. You can also try resetting the control panel by unplugging the dishwasher for a few minutes and plugging it back in.Check the Control Panel
The thermal fuse is a safety device that cuts off power to the dishwasher if it overheats. If the thermal fuse is blown, the dishwasher won't turn on. You can test the thermal fuse using a multimeter. If it has blown, it will need to be replaced. Keep in mind that a blown thermal fuse is often a sign of another underlying issue, such as a faulty heating element, so it's important to address the root cause.Check the Thermal Fuse
The touchpad is the part of the control panel that you use to select different cycles and settings. If the touchpad is not working, the dishwasher won't start. Check the touchpad for any visible damage or signs of malfunction. You can also try cleaning the touchpad with a damp cloth. If the touchpad is not responding, it may need to be replaced.Check the Touchpad
The control board is the brain of the dishwasher that controls all its functions. If the control board is faulty, the dishwasher won't light up. Check the control board for any visible damage, loose connections, or signs of malfunction. If the control board is the issue, it will need to be replaced.Check the Control Board
The door latch is responsible for keeping the dishwasher door securely closed during a cycle. If the door latch is faulty, the dishwasher won't start. Check the door latch for any visible damage or signs of malfunction. You can also try cleaning it with a damp cloth. If the door latch is not working, it will need to be replaced.Check the Door Latch
If all the above components are working properly, it's time to check the wiring. Sometimes, loose or damaged wiring can prevent the dishwasher from turning on. Carefully inspect the wiring for any visible damage, loose connections, or signs of wear and tear. If you find any issues, they will need to be addressed and repaired.Check the Wiring
The motor is responsible for powering the dishwasher's wash and drain cycles. If the motor is faulty, the dishwasher won't start. Check the motor for any visible damage or signs of malfunction. You can also test the motor using a multimeter. If the motor is not working, it will need to be replaced.Check the Motor
The heating element is responsible for heating the water in the dishwasher. If the heating element is faulty, the dishwasher won't turn on. Check the heating element for any visible damage or signs of malfunction. You can also test it using a multimeter. If the heating element is not working, it will need to be replaced. In conclusion, there are several possible reasons why your kitchen aid dishwasher won't light up. By following these troubleshooting steps, you can identify and resolve the issue yourself. However, if the problem persists, it's best to contact a professional for assistance to avoid any further damage to your dishwasher. With proper maintenance and timely repairs, your dishwasher will continue to work efficiently and keep your dishes sparkling clean.Check the Heating Element