Frigidaire Dishwasher MDB421RFS1 Troubleshooting and Repair Help

We’ve put together a list of symptoms for Frigidaire Dishwasher model MDB421RFS1 below. The top three symptoms for MDB421RFS1 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 MDB421RFS1 Frigidaire Dishwasher.