Question about Bosch Dishwashers

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Our bosch dishwasher gets stuck on the last minute of the cycle ....says "1" for as long as we let it and we hear water swishing around and the dishes come out wet- we have to just stop it.

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  • Bosch Master
  • 2,605 Answers

Hello,

Welcome to FixYa.

Based on your description "bosch dishwasher gets stuck on the last minute of the cycle ....says "1" for as long as we let it..." I'd say the issue is most likely 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.

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.


our bosch dishwasher gets stuck on the last minute - dabfa62.jpg


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

9f1823d.jpg

**Flip this over and inspect the solder joints, it will be obvious when you see it.**

This ones new, but itour bosch dishwasher gets stuck on the last minute - 9119d99.jpg look...

9119d99.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 our bosch dishwasher gets stuck on the last minute - f57273b.jpgitch 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 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 or turn off the breaker before attempting any service to the dishwasher.**


As you alluded to though, sometimes one needs to call a tech. 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 Sep 29, 2010

  • Mark MacDonald
    Mark MacDonald Sep 29, 2010

    Hi again,



    Since this is such a common problem the solution I provided is one I copied from help I provided to another FixYa visitor,( and many others with Bosch, Gaggenau,Thermador & Siemens dishwashers ) so please vomit this part below I failed to remove ( obviously you didn`t say it )



    "As you alluded to though, sometimes one needs to call a tech. 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"



    Sorry about that. Keep me posted on what you find. Good luck.



    Regards,



    Macmarkus :)

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