Dream: Draining the Dishwasher

I'm in the kitchen in front of the open dishwasher.  It's already loaded with dirty dishes and ready to start.  I've poured a lot of dirty water into the bottom.  It's nearly overflowing.

I close the door and start.  Instead of draining, the dishwasher begins to add water.  It's not supposed to do that!  Alarmed, I stop it right away and open the door expecting water to pour out onto the floor.  But that doesn't happen.

I suppose that the floats are stuck in the down position.  I pull up on them, and immediately the water starts to drain.