Question about Bosch SHE43P05UC Builtin Dishwasher

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The pump in my Bosch dishwasher will not turn off, even with the door open. During the last washing some water (though not a lot) came out on the floor. I have run what I believe is the diagnostic routine and I first receive the code C6 with the buttons held down. When I release the buttons I get the code PO (or P0) and the "regular wash" light is blinking. When I press the "regular wash button" I get the code E1. What is my likely problem and what is my best course of action? This machine is about 1 year old.. 1.

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  • 77 Answers

It could be the floating switch that is jammed leading the machine to think that there is water in it or it could be your pcb.

Posted on Oct 15, 2013

  • 1 more comment 
  • Douglas Winkeljohn
    Douglas Winkeljohn Oct 16, 2013

    What would account for the water on the floor?

  • Douglas Winkeljohn
    Douglas Winkeljohn Oct 16, 2013

    I found water in the base of the unit and mopped it out, which has stopped the pump from running. I also removed and disassembled the control unit, looking for the bad solder joint that someone mentioned, but found none, so I have reinstalled the control. I still get the error codes when I run the diagnostic. Now my big question is why did the unit have water in the base and some water on the floor?

  • Douglas Winkeljohn
    Douglas Winkeljohn Oct 16, 2013

    I found the (freak) source of my problem! There was a pinhole leak in the rubber coupling on the end of the drain hose that attaches to the machine. It is right on the molding seam on the coupling - obviously a manufacturing defect. The freak part is that the leak squirted right through an opening in the machine frame, ending up in the pan below the machine. Only a small amount actually got out to spill on the floor. The rest was almost all carried away by the pump - although the leak assured that the pan was filled over and over - pumped out - leaked back in - in an almaost never ending cycle. A replacement hose should do the trick.

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Posted on Jan 02, 2017

SOURCE: Problem with Bosch built-in Dishwasher Model SHU6806UC

I had the same problem and just today replaced the control board module. Purchased the control module online and installed in myself. Was not that difficult. undo the screws (torx screw driver needed) unhook the connections to the board and label all. Pull the board out and open, found burned connectors. Now works like a dream.

Posted on May 30, 2008

Macmarkus
  • 2605 Answers

SOURCE: I have a SHU43C05UC/22 Bosch Dishwasher. The

Hello,

Welcome to FixYa.

Based on your description I'd say the issue is with the control...unfortunately.


The number"1" being displayed ( on models with the display like yours ) is actually an error code indicating a fault in the heating process.

Bosch has had a history of this exact problem I'm about to lay out for you and this is the first thing I'd be looking for if called out to service the unit with the symptoms you've described.

**B/S/H/ also issued a recall on certain models between 1999 - 2006 depending on the serial number so you may want to contact Bosch to inquire if yours is affected.**

http://microsites.boschappliances.com/safetyrecall/dishwasher/

or
Bosch dishwasher hot-line 1-800-856-9226
1-800-856-9226
Before calling, have the model and serial numbers on hand. A live operator can be reached at the hot-line 24/hrs day.

Those not affected by the recall still can be a problem but easily fixed. As I've alluded to the issue is likely 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 ).

My first suggestion would be calling in an authorized bosch service tech. if that is an option for you and your budget however, If you feel capable of checking this on your own, there`s a way to visually inspect the control yourself.

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.


dabfa62.jpg


The culprit will 99% of the times be one of the pins from the heater relay,


**Your control WILL differ in appearance, however the issue, the service and all the same info applies...except the part number. Yours will be # 431692**

26052ec.jpg


**Flip this over and inspect the solder joints, it will be obvious when you see it...the cover for your models control comes apart in a similar manner**

This is where and what to look for, except I`ve re-soldered this one already...

face585.jpg


...hence the unit sit`s and takes longer & longer to finish because it can`t heat to advance or unless the 2 buttons for "cancel" are pressed, other-times it will eventually stop or display "1".


You can also run the unit through a regular or econo cycle ...any cycle with the exception of rinse & hold, and with the door panel removed place an ammeter on the gray/black wire it should draw 11 amps during the wash cycle...after it fills and the flow switch indicates it has adequate water to engage the heater.

i.e.

f57273b.jpg
**My Opinion - if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...but it has to be done well...or it will not last, although Bosch recommend`s replacing the control ( # 431692 @ approx. $150 - $250USD...$167.99 at "searspartsdirect.com" ) and I don`t pretend to speak on their 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 or turn off the breaker 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/Siemens, to service your machine.

Hope this answer`s your question, 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.

Good luck.

Regards,

Macmarkus :)

Posted on Oct 31, 2010

  • 2 Answers

SOURCE: When I press the start button, Bosch dishwasher

what is happenig i believe and has happened to me 2 times is that the water level float that is on the left side of dishwasher is stuck.

Either remove side panel and flick lever or pull dishwasher out and tap lower portion of panel and this will cause the level to move and then see hat happens

Posted on Feb 04, 2011

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