Question about Bosch 23 in. SHU5302UC Built-in Dishwasher

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Bosch SHU5300 When I run a cycle the machine counts down until it gets to about 9-15 minutes. Then it pops back to the 45-55 minute and continues to do this. I tried on all cycles. One the regular cycle it stayed on 1 minute forever and I had to manually drain and stop. It will never get into the rinse and heating cycle. The rinse and hold works fine. Any suggestions. I really like my dishwasher. It is just over 5 years old and is the best dishwasher I have ever had for cleaning and almost no noise. I hate to have to think of getting a different one as I like this one so much. Any suggestions. My thoughts are either a heating element gone bad or the electronic cycle board. Anyone - please help. Thanks. Mary

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  • skinonna Nov 15, 2007

    I have the same problem and have lived with it for 2 years because it sort of works........Sometimes there is no problem. The hold on 1 minute is the most frequently occurring event. Change the board...I'm married to Mr. Fixit, everything but electronics that is. But if it is a plug in board that's not a problem. Can you give me a little walk through.

  • kevlar7 Aug 16, 2008

    Dishwasher ran for 4 hours. I am not aware of a pattern as described in the other posts but it runs on and on. Where can I find a board and how would I put it in?

  • Anonymous Sep 13, 2008

    just gets stuck on one ALL THE TIME!!

  • finley344 Feb 04, 2009

    The countdown timer stops at 1 minute and stays there until I cancel out and the thing drains. However, this doesn't allow for drying the dishes. What exactly needs replacement?

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If your heat cycle is not coming on, which it sounds like it is not, then you may have a problem with the heating system. There is a well known issue with many of the Bosch dishwashers that use the (266746) control module. Basically, there is a relay (which is a kind of electro-mechanical switch) that is used to turn on the built-in heater. There is a solder joint on the main Printer Circuit Board (PCB) that allow electricity to flow to the heater, that joint often will melt away and burn the surrounding area of the PCB. This is most likely a design flaw and appears to occur at about the 4-5 year mark. One way you can test for this is to run the onboard diagnostics routine that is programmed into the firmware of the micro-controller (brain) of the dishwasher. The way to do so it to press and hold the (Scrub Wash & Delicate/Econo) buttons at he same time and then press the on/off power switch to the on position. The LED lights above both those buttons should begin to flash, when they do, press them both again and the diagnostics program will start. It is a multi-phase program that will run for quite a while. Once it finishes, if it is a heating problem, it will end with a number 2 code in the display. If this is so, then it very well maybe the solder-joint issue on the control module and it will need to be replaced. It runs $128.10 US directly from www.bosch-appliances.com. Good luck.

Posted on Jun 30, 2009

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You need to change the board . I can help you check the board if you would like

Posted on Jul 08, 2007

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If the circuit board trace has overheated and burned through, is it possible to solder a solid wire (of heavier gauge than the original trace) to fix the problem?

Posted on Dec 10, 2009

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