Question about Bosch SHU9915UC Dishwasher

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Bosch shu9915uc dishwasher when turned on sounds like drain pump is running but water will not enter dishwasher. When opened the pump sound stops. I did have a plumber over right before this occurred to replace kitchen sink faucet but he said he did not shut off valve to dishwasher and valve IS open.

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  • Bosch Master
  • 2,605 Answers

Hello,

Welcome to FixYa.

Based on your description "dishwasher when turned on sounds like drain pump is running but water will not enter dishwasher" , it sounds like the emergency overfill switch has been actuated. Here`s what to do and what to look for.

**Turn off the breaker/power at your homes service panel...safety first of course**

Remove the the bottom panel, referred to as a toe panel or kick-plate, essentially the lower service panel shown here...

bosch shu9915uc dishwasher when turned - dd2a40d.jpg

When you remove the outer toe panel, there will be another small panel which is non finished steel, I find removing that allows much easier access as well.


27e2e22.jpg

This panel can be somewhat more difficult as it secures the plastic channeling for the wires but if you observe closely you`ll see it does "snap" out of place...carefully.

bosch shu9915uc dishwasher when turned - 8d2e98d.jpgan>8d2e98d.jpg


Once the panel has been removed check for any obvious signs of water in the base ( the unit has a plastic overfill basin with a float which will actuate an emergency overfill cycle, hence the drain pump runs & runs )
bosch shu9915uc dishwasher when turned - f5b8d76.jpg>
f5b8d76.jpg

If you don`t see any water in this area, direct your attention to the left in this basin/bottom ( from the front to be sure ) and you should see a device which will resemble a "stir stick" you`d use for coffee etc. it will be a red in color stick.


5c066c9.jpg

With the aid of a wooden spoon, long screwdriver, or if you can manage to reach by hand, lift it up and down gently and listen for a "click".

If there is no sign of water and you can here the "click" when lifting up and down the float actuater ( red stick ) then turn the machine back on and give it a try before reassembling the toe panel so you can observe for any possible leaks.

Let me know what you find. This is the most likely cause of the symptom you are describing so we can move forward if this doesn`t resolve the issue.

Thanks for choosing FixYa. Good luck.

Regards,

Macmarkus :)

Posted on Dec 30, 2010

  • 1 more comment 
  • 1234smith Jul 22, 2011

    Hi Macmarkus,
    Thanks for this suggestion. We have tried the above option, but we are still not able to get the dishwasher to fill with water. Our repair person told us that we should just replace our relatively new machine. We stubbornly believe that a dishwasher should not be a disposable good, so we are trying to fix it ourselves :-) Any ideas?
    Thanks!

  • Mark MacDonald
    Mark MacDonald Jul 22, 2011

    Does you unit exibit the same behaviour as the above description ? Drain pump running constantly unless door is opened, even when door is open ? Same model number ? I certainly wouldn't replace the Bosch dishwasher due to a potentially and relatively inexpensive repair.
    I'll watch for your reply and try to help further in any way I can. Regards,
    Macmarkus :)

  • 1234smith Jul 30, 2011

    Thanks for getting back with us. The dishwasher sounds like it is running, but it doesn't spray water. Water collects in it even when it is not running (and even when the power is off), but no water sprays during the cycle. Model # SHU 43 C05UC/ 46. Thanks!

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Posted on Jan 02, 2017

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This depends what you mean by "runs". If the dishwasher continues with a wash cycle - i.e. circulating water - with the door open, the simple answer is that you have a defective door microswitch.

However, I suspect what you perceive to be the dishwasher running, is actually the drain pump running continuously. This happens when the anti-flood protection system has been activated and continues even when the door is opened. The simplest way to check is to open the door (while it's "running") and pour some water into the tub. If the water drains away immediately, this shows the drain pump is running and the anti-flood protection has been activated.

This may be due to water having leaked into the base of the dishwasher, but it could be as simple as a stuck or defective float-switch.

Please try the simple test above then post back for further assistance. If you're planning to investigate or repair this yourself, you're going to need a Torx T20 screwdriver and a multi-meter would be useful as well.

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