The water is pumped out after the rinse cycle then it continues to run and make an unusual noise but nothing happens. The noise is almost a grinding sound. There is also a smell like some part may be hot or the wiring may be hot. I can reset the dishwasher and re-run the cycle up until that same point and it does the same thing again. I have had a repairman out twice in the last six months. The first time he could find nothing wrong because the problem was intermittent and he couldn't see anything wrong. The second time he replaced the detergent dispenser (which was broken) and everything worked fine for a while. Now the problem has started up again.

Timer

or

water limit switch (water valve float)

...needs replacing (each is a clickable link to your exact part)

The smell is coming from the pump running with no lubrication or coolant (the water in both cases) and heating up.

In most scenarios, since the other cycles are working properly - so is the float - however if it is sticking in the up (water max) position - it may just need cleaning or replacement.

If you find the float free of obstruction and moves easily - your timer is the culprit.

Thanks for using FixYa - If you require further clarification regarding your question, please use the "Continue with this expert" option so we are connected in the future.

Thank You!! :D

I believe that it's the water valve assembly. Removed it, cleaned it (screen on inlet had some stuff gunked up on there).

Secondly, I would do at this point is verify the power source. Check the power outlet for 120 VAC. Remove the toe panel and check the junction box under the dishwasher for proper wire connection.

If there is nothing wrong then open the fascia panel and check the "on-off" switch and the door latch switch.

Here are the break down diagrams, the parts list and the wiring diagram for the Bosch dishwasher Model SHU4006 UC/06

Let me know know if you need further assistance
Thanks
kevin