Frigidaire Dishwasher MDB421RHS1 Troubleshooting and Repair Help

We’ve put together a list of symptoms for Frigidaire Dishwasher model MDB421RHS1 below. The top three symptoms for MDB421RHS1 are "Leaking", "Not cleaning dishes properly", and "Will not drain". 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 MDB421RHS1 Frigidaire Dishwasher.