Having problems with your Bosch 24 in. SHU66C05 Stainless Steel Built-in Dishwasher ?

My 5 year old bosch dishwasher cycles to one minute and then cycles forever and ever with very soapy water in the bottom. After a very long time, the water is out of the dishwasher but soap residue is left on the dishes and the bottom ot the dishwasher.We are presently using only 1/2 teaspoon of detergent (Finish brand). I have had a repairman here to look at it, but he didn't seem confident that it was a timer issue and even though I have paid the exorbitant service call fee, I am not sure I wa


Answers :

Hello,

Welcome to FixYa.

Based on your description
I'd say the issue actuallt is most likely with the control...unfortunately. The "1" being displayed is actually an error code associated with a heating fault. I wouldn't feel very confident in the repair person you had if they did not know this.

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.
\015\012 \015\012**B/S/H/ also issued a recall on certain models between 1999 - 2006 depending on the model & serial number, but it shouldn't apply to yours....based on just the model number, but double check as well as check the serial number. \015\012 \015\012The issue was directly related to the heating circuit (specifically the heat relay on the control) \015\012 \015\012Here`s the link if you want to see for yourself **

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


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 contacting Bosch re: the recall or 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 really isn't very complicated.

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,

9f1823d.jpg

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

This ones new, but it's where to 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...or takes a long time as I mentioned and eventually display's "1" on units with a display and usually very poor cleaning as a result.

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 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.**


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.
\015\012Thank`s for visiting "FixYa" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness.

Good luck.

Regards,

Macmarkus :)

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