Sounds like something might have gotten into the pump. How much did you tear into the pump to see if you could find the problem or did you just look inside the dishwasher tub?started making this grinding noise, almost like the sound of a garbage disposal. We checked it to see if there was something stuck or blocking anything but all was good.
If it was not washing when it should be, something in the pump could have damaged it.We tried to start it again and then it just made a whirring sound.
I'm afraid I have no idea what would cause that. Does your model have some sort of delay start feature?...the dishwasher was running. It just started by itself.
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