Question about Bosch SHU9925UC Built-in Dishwasher

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We have a Bosch SHU9925UC dishwasher, installed in 2002. In August 2010, the water didn't drain, and a service technician discovered melted wire nuts at the main incoming power junction, presumably due to a loose connection there. He re-wired it. Now it's March 2011 and yesterday we smelled electric fire smoke coming from the dishwahser, opened it up and again found melted wirenuts. So is it really just poor installation, given that now 2 different installers have created the same problem? Could it be that something else is causing the dishwasher to try to draw more power than it should? Am of course worried about an electrical fire. Any help or advice would be appreciated. Thanks!

Posted by Anonymous on


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 725 Answers

SOURCE: burnt wiring on Bosch SHX46A06 Dishwasher

The problem with this solution is that a 12/2 is a larger wire than a 14/2 ..the 12/2 wires are just fine you mush have had a loose connection at the wire nuts..

Posted on Aug 21, 2008

  • 1 Answer

SOURCE: bosch dishwasher electrical smell

probably is, hit the breaker

Posted on Mar 31, 2009

  • 113 Answers

SOURCE: I am trying to install

you can try using some teflon tape on the threads if you hadnt already

Posted on Apr 24, 2009

  • 5 Answers

SOURCE: there was a short in the junction box. i fixed

There is a chance that the coil on the fill valve has become bad. If the valve was being operated at the time the short occurred the coil could have overheated and burnt up.
A couple ways to check it would be;

  • Locate the valve and listen to it or touch it during a cycle. When the unit tries to fill, the valve should click as it opens. You should be able to hear/feel this operation.
  • Try to visually inspect the coil on the water valve. If it is visible, look for discoloration and/or warping. Not all burnt up coils give visual indications but some do.
  • Remove power from the unit, remove the leads off of the coil, test with a ohm meter (resistance tester). The resistance should be fairly low (less that 100 ohms, this is a very generic number, a good coil could read 1 ohm it really depends. What you are looking for is just a resistance that is fairly low)
There are other possibilities which include blocked fill line or bad circuit board or the device used to detect water level is stuck where it thinks the washer has enough/too much water.

Posted on Dec 28, 2009

  • 4088 Answers

SOURCE: My Bosch dishwasher has had a problem since we had

Was the drain tube that hooks into the sink drain passed over the partition between the sink area and washer area or through a low-level hole. If through a low-level hole, try rerouting the tube over the partition. This forms a 'trap area' to isolate the sink drain from the washer pump area. Hope this helps!

Posted on Sep 18, 2010

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1 Answer

Water enters dishwasher,the unit seems to go on hold, then it will drain. Nothing else works as far as the washing cycle or any thing else.

this could be that the main pump id defective, once water enters the main pump does all the work to throw the water around and clean, once that is done the water is drained etc.
so when you dont hear anything this indicates that the main pump is not running.

supect this part first.

I hope this was useful

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Here is a tip that I wrote that will help you with your dishwasher not drainingproblem...

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I had a problem with my dishwasher popping the breaker. I opened the bottom and found burnt up wires. I fixed those and now the dishwasher stays on and begins its cycle (by draining) but the water is not...

I read your previous problem. This appears to be separate problems. The first was likely a loose wire. When a wire has a loose connection they build heat and can melt. The current issue would seem like the float switch is stuck. The float switch is a small white lever located on the right side near the water inlet valve. If you remove the toe kick you should be able to wiggle the float lever. They tend to get hung up after sitting for a while. Here is a link of a different model but same operation.

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Regardless of the brand dishwasher, they all have the same fundamental plumbing. so.. you need to check a few basic things first..

1. Have you cleaned the drain filter or screen?
2. Is the drain hose kinked or restricting water flow?
3. Is your dishwasher pump blocked internally or the hose entering or exiting it ?
4. Is the house drain ( meaning : where that hose drains water into) restricting water flow? ( back pressure or clogged?

Any one of these conditions will manifest itself as an undrained dishwasher.. Hope this gives you some things to check and you get your problem resolved...
Good Luck

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take bottom front panel off to expose the bottom tray. you will find there is water in it. mop water out and appliance will operate ok. turn off at mains first.

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Aug 30, 2008 | Bosch SHU9925UC Built-in Dishwasher

1 Answer

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Apr 21, 2008 | Bosch SHU9925UC Built-in Dishwasher

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