William W Sylvania , OH September 06, 2016 Appliance: Maytag Portable Dishwasher MDC4650AWW0 Maytag Dishwasher Mdc4650aww0: Dishwasher would not start. How to replace Panel- Con. I put in a new control panel and my dishwasher started right up. It was a very simple fix. It took me less than 15min Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes