Question about Bosch 24 in. SHU5305UC Built-in Dishwasher
Timer starts at 2HR. won't reset. Starts washing immediately but doesn't run cycle or shut off
When the display is stuck on 2H it often means the heater is not working. If the water is not heated, the cycle will never complete. It is possible the heating element is bad, but a more likely problem is with the control module PC board. The solution requires some basic repair and soldering skills plus the tools to do the job. Bosch recommends re-soldering the connection to the heating element relay (see page 11 of "SHU/SHI/SHV Dishwasher Troubleshooting Tips") free download here
The problem is that the circuit board copper is not heavy enough to handle the heating element current, causing the copper to heat and melt the solder connection. A better solution is to solder a short length of copper wire between the two pins to provide more copper and reduce the chance of heating as shown in the attached photo.
Posted on Nov 17, 2013
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Posted on Jan 02, 2017
You could try running the machine with the drain hose leading to a large bucket. If it works OK in this situation then the blockage will be most likely where the drain hose joins the house drainage system - often at a junction under the kitchen sink. With the drain hose disconnected you should be able to see the blockage and clear it with a suitable pointy tool.
Let me know if this sorts it. Thanks, D.
Posted on Jul 31, 2008
UNfortunately that sounds like the controle module and you can not have that fixed. only replacement of the part will fix that problem
HERE you can find the drawing and parts. You can also order them here
Posted on Nov 30, 2008
Hello- Same problem I had- It turns out that my control board (fixed once already- the solder trace on one of the three relays burned open) was junk again, but the solder trace which was fixed before was still ok, so I replaced all three relays on the board (relays are available from Digi-Key) and that fixed it!! The relays cost all of $11.00 INCLUDING SHIPPING - So if you're on a tight budget, this may work for you. Bill
Posted on May 06, 2009
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