Question about Bosch 24 in. SHU43 Built-in Dishwasher

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Bosch SHU4312 won't finish cycle, won't drain.

We have a Bosch SHU4312 that is over 10 years old. It has worked fine until last night it began the scrub cycle, filled with water, dumped soap, and ran for over 3 hours, washing with water circulating inside, without pumping any water out. It made a "humm-whish" noise over and over. Soapy water inside was steamy hot, and there was no overfill. None of the filters were plugged.

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The control board on these units is prone to a cold solder joint cracking. I have read that Bosch recommends replacement and will supply the board, not covering labor. I repaired mine prior and have done one for a friend as well. Has lasted several years and counting
The symptom is constant cycling without ticking down the last few minutes

Posted on Sep 06, 2009

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I solved this by replacing the controller module. It had a PC board failure that was obvious upon inspection.

Posted on Jun 05, 2009

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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

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Hello there,

It would help to know the model number of the dishwasher, but on many Bosch dishwashers, you can switch the cycle cycle completion signal off as follows:

1. While holding the right-hand CANCEL/DRAIN button, also press and hold the ON/OFF button
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