Frank G Media , PA April 10, 2018 Appliance: KitchenAid Undercounter Dishwasher KUDS30FXSS2 Kitchenaid Dishwasher Kuds30fxss2: Chopper broken in the dishwasher reduced pressure to upper spray arms resulting in poor cleaning of items in the upper tray. How to replace Dishwasher Food Chopper. Replaced the chopper and this cured the problem. VIDEOS were a big help. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes