Whirlpool Dishwasher DU400CWDB2 Troubleshooting and Repair Help

We’ve put together a list of symptoms for Whirlpool Dishwasher model DU400CWDB2 below. The top three symptoms for DU400CWDB2 are "Leaking", "Won't start", and "Not cleaning dishes properly". Click on your symptom to see what causes it and how to fix it. With step by step instructions, repair info, and how-to videos, you’ll see just how easy it is to fix your broken DU400CWDB2 Whirlpool Dishwasher.