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My Bosch dishwasher stopped draining. At the end of the cycle, it gets stuck at 1 minute remaining. When I open the door, there's water that hasn't drained.

Here's what I've tried:

Following the instructions from a video on YouTube, I emptied the water, removed the cover on the drain pump impeller, removed any additional water and debris, took out the back flow preventer, and removed additional water and debris.

After doing this, the first two times I ran the dishwasher it did not fill with any water.

I then poured some water into the bottom of the dishwasher to see if it would drain and started another cycle. This time, it did fill with additional water, but I'm back to the original problem. It doesn't drain at the end, and it gets stuck at showing 1 minute remaining.

Photo with drain pump impeller cover removed:

enter image description here

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Hard to tell from your picture. Is there a float switch in this unit that is sticking in the down position? –  Michael Karas May 16 '13 at 23:37
Is your dishwasher connected to the garbage disposal without an air gap or a high point in the tube (above garbage disposal)? Could you be sucking in food or debris that is clogging the exhaust line from the dishwasher? –  Keith Hoffman Mar 5 '14 at 7:12

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