Question about Bosch Dishwashers

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Bosch SilencePlus shows E:15, Aquastop, and Watertap!

I had a badly clogged kitchen sink on the same line that my dishwasher drains to. The clog has been fixed, but now the dishwasher says E:15, Aquastop and Watertap. Can't figure out how to reset the machine to clear these errors. Thanks!

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  • Greg Rogers
    Greg Rogers Apr 13, 2014

    To add some info... The dishwasher seems to think it needs to pump out water, but the bottom is empty. The pump comes on every 30 seconds or so. If I pour water into the bottom, it pumps out fine.

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Hi Greg,

E15 on the Bosch units indicated the base switch is activated. There is a safety switch which will activate the drain pump to avoid the base overflowing. Basically you either have a leak or possibly rodents living in the base of your dishwasher.

Easy way to check is first make sure no water is inside the washing area or sump (where the filter is). You will have a dribble there which the drain pump won't pump out but make sure it is mostly empty. The dishwasher always drains at the beginning of a cycle if you need to manually activate this, just turn you tap off so it doesn't try to fill. unplug your dishwasher then pull the machine out and place some old towels along the base and tip if forward. If water run out from the base then you got a leak.

If you are a bit handy then you can take either the front kick plate and cover off or a side panel to look in the base. The float switch is a polystyrene disc which raises and hits a micro switch when the base fills up.

Common place for these to leak is the sump, wash motor or water path / distribution unit. Look for chalky white residue around the seals. Depending on the age of your unit some parts are more serviceable than others. Bosch are pretty good with spare parts so you should be able to source most items you need.

If you are not handy or technical and are concerned about taking on this work, call in a technician. Remember disconnect power before attempting any work. please.

I hope this helps.

Posted on Apr 14, 2014

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SOURCE: Bosch Dishwasher Drain problem

check no blockage in the spigot in the garbage disposal and also that fat has not congealed in the drain hose

Posted on Nov 10, 2008

  • 130 Answers

SOURCE: water in bottom of dishwasher, can't get it to drain

pull your water drain line out and place in a bucket on the floor. then try to drain it again. alot of time the hose get an air gap or blocked with gunk.

Posted on Feb 16, 2009

  • 121 Answers

SOURCE: water build up in dishwasher- clogged drain

I would not recomment putting chemicals in the dishwasher. There is usually some kind of filter in the bottomt at you can easily take out and clean. It's common to have parts of labels and plastic clog this up.

Try removing and cleaning this first. It may also be reached from a separate hatch in the fronc of your dishwasher, depending on the make and model. Just make sure it's securly back in place before you start it afterwards, or you may flood your kitchen.

You may also try to disconnect the hose and blow through it to see if you may be able to blow back any objects stuck there.

If none of this helps your problem may be in the pump, and then it's usually a job for professionals.

Posted on Nov 07, 2007

  • 1 Answer

SOURCE: bosch dishwasher SHX46 won't fill with water

My model is actually a SHX46 but I was able to piece together some advice off of this site. This is what I did. I removed the toe plate and then I soaked up all the water that I could out of the white pan at the bottom. Then I unhooked the water supply line so that I could pull the dishwasher out. Once I got it out, I tipped it forward to drain out the rest of the water. I then unhooked the drain line that was connected to the disposal and cleaned it out with a "Snake line" I then hooked everything back up and it worked. Thanks so much for this website, I know it saved me a ton of $$$$$$$$$.

Posted on Jan 29, 2009

  • 3 Answers

SOURCE: Dishwasher does not drain, instead drains through overflow valve in sink. No apparent clog seen.

Usually the sink connection is not an overflow, it is the main drain from the dishwasher. It is more likely your s-bend is blocked under the sink- try putting a bucket under it and unscrewing the u-shaped piece and cleaning out (remember don't wash it in that sink while the pipe is off)

Posted on Apr 27, 2009

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Hello playultimate,
I am assuming that your dishwasher drains either directly into your sink or through a garbage disposal as part of your sink. Regardless of which method is used, you need to verify that your dishwasher drain system is funcioning properly so.. make sure your dishwasher drain filter is free from debris.. if you are still having a problem ..it could be the pump is defective or clogged with food byproducts, the lines into and out of that pupm are clogged of the drain hose itself is clogged or pinched.. Once you have cleaned your drain screen inside the dishwasher, .. try cycling it withour dishes to see if you get a reasonable drain flow .. The key is to identify if its a clog/restriction or a bad pump... Hope some of these ideas will help solve your problem.. Get back to me if you are still struggling..
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