Question about Bosch 24 in. SHU43 Built-in Dishwasher

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I actually don't know what type of Bosch I have. I know that is a problem, but maybe you can still help. It has a simple panel that says: Pot Scrubber, regular wash, quick wash, rinse and hold. When I turn on quick wash, sometimes it says 38 min. 45 min. 56 min. We want to keep it at 38 minutes and we don't know why it varies. If we have to open it mid-cycle, it switches to a higher cycle time. How do we set it for 38?

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On a Bosch dw, it has a light sensor to sense soil in the water.. if the control feels that the water going through the sensor is not clean/ or clean it will add or minus time..one thing you can do is make sure that your drain line from dw to sink drain is cleared of debris.. also, make sure you clean the filter at bottom of dw and make sure its reinstall correctly if you haven't already do so.. if your dw finish the cycle and come out clean, then the time on your dw is fine,, but if it don't finish and come out dirty.. then, it could be something other, but don't know til I get the full details on problem.. help this will do it for ya.. good luck.. mike

Posted on Jan 23, 2009

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Would be most helpful if you specified the actual make and model of your dishwasher...

However in the meantime, my first path of deduction begs to ask the simple question's:

Have you set the dial to wash or even a short wash in order to activate the cycle.

More information would be helpful in correctly ascertaining your situation.
This could help determine if this is a common problem with your model, or perhaps it could
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Otherwise I am here guessing that maybe the breaker has flipped in your electric panel

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OK . . .

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Please rate this solution if you find this helpful. Thanks.

Oct 16, 2010 | Dishwashers

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Hello,

It sounds to me by your description the unit is getting hung up trying to heat, hence the estimated time jumps around.

The issue with your Bosch dishwasher likely lye`s within`the electronic timer/control, specifically the heater relay solder joint. ( a faulty flow switch, ntc or heater can also cause this, but not very probable ). This is why it runs forever unless pressing the two buttons for "cancel".

The displayed numbers are not "actual" time's, it never is on Bosch. Basically there are far too many variables to be "actual" time, call it a guess by the control based on data gathered thru-out the cycle if you like.

Read my solution and then you can make an educated decision when I'm through on whether to replace or repair, that is obviously up to you.

To repair your unit It will require you to remove the control from the unit and then remove the control from it`s plastic housing and look for a burnt solder contact on the printed circuit board. This will be one of the pins from the heater relay, hence the unit sit`s ( because it can`t heat to advance or until canceled ) trying to heat the water.

**Further to this, if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...although Bosch recommend`s replacing the control and I don`t pretend to speak on there behalf nor do I profess to know better. This is just my experience (it work`s) and my opinion (why buy new if one can repair ?)**

**Please disconnect the power before attempting any service to the dishwasher. If you do not feel comfortable attempting this service, call a local pro, preferably one familiar with Bosch/Thermador/Gaggenau, to service your machine.**

Hope this answer`s your question's, let me know if I can assist you further. Thank`s for visiting "fixya" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness to you and leave a testimony if you're satisfied.

Good luck.

macmarkus :)

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1 Answer

I need to look at bosch SHU5312UC exploded viewe of the door


Hello,

I think I know the pieces you are referring to and you can only install them one way. I can direct you to searspartsdirect.com and if you enter your model number you should have access to several breakdown illustrations of your d/w however, I`m here to tell you, don`t sweat it. Most illustration`s I`ve seen don`t even show them either.

Those two blocks ( which slide into the front of the hinge behind the door panel by the way ) can remain left out without any functional consequence to your dishwasher. In fact the regional training representative for north america used to joke with us techs how he had a collection of them from tossing them into his toolbox instead of putting them back in place. They do increase the structural support of the front panel, but unless you plan on moving it around frequently, I wouldn`t worry about it.

If you are still concerned, post back with your email and I can send you a complete repair guide in "pdf" format for your dishwasher.

Hope this was helpful to you. Thank you for coming to "fixya" and please let me know if I/we can assist you further in this matter. Please take a moment and rate the info I provided for you here today.

Good luck.

macmarkus :)

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It actually sounds like maybe the packet is getting partially melted to the inside. Have you tried washing with no heat at all? Or maybe change brands on detergent packets. The main thing is your door is actually opening all the way, if so, then the only other thing I could see being wrong is the tablets. Hope this helps.

Dec 28, 2009 | Bosch Dishwashers

1 Answer

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I know this sounds too simple, but on My dishwasher which is an SHX46b model, the plastic supply arm that comes out of the pump and supplies the upper arm popped out of it's correct position at the base. It is held in place by two dinky nibs. I just popped it back in and voila, pressure was back and arms were spinning.

Jul 02, 2009 | Bosch 24 in. SHU66C02 / SHU66C06 Built-in...

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Feb 27, 2009 | Bosch 24 in. SGS45E02 / SGS45E08 Exxcel...

1 Answer

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This is a little late for the OP. But, I had the same problem over Thanksgiving of 2008. I searched online and saw that other people had the same problem, but there were no solutions posted. So, I paid $130 for a service tech to come fix the problem - maybe this will save you some time and money.

The solution was simple...pour boiling water (I boiled about a half gallon of water in a cooking pot) straight into the pump where the water sprays out of. You don't have to pull your dishwasher out and no tools are needed. Just open the door, pull out the lower roller tray, remove the bottom spray fin (just pull straight up), and pour the boiling water straight into the hole where the bottom spray fin was attached to. Next, put everything back in place, push the Power switch on, select a wash mode, and close the door. The dishwasher should start spraying water inside as usual.

The service tech told me that there are only two pumps in this dishwasher...one to pump the water in (the one that had the problem) and one to pump the water out. When you don't use the dishwasher frequently, the seal in the wash pump seizes up (sticks together). You can hear the motor humming, but the pump isn't able to send the water up into the spray fins. By pouring boiling water into the pump, it helps to break that stickiness and allows the pump to start sending water up into the spray fins. The solution is to run your dishwasher at least once a week. Even if you don't have much to wash, run a rinse cycle to let all the parts move and stay loose.

One other tip the tech told me is to pour a cup of white vinegar into the pump when you go away on vacation and the dishwasher won't be used for a week or more. This should keep the seals from sticking together. I haven't tried this yet.

Hope this helps.

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