Question about Bosch SHV4803 Dishwasher

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Dishwasher does not start it seems there's no water coming in the tub. I got a trouble shooting manual from ejunkie.com and tested the coil of the water valve which read 1000 Ohms, which means it's OK. Then I hot wired the coil while connected to the water line and the valve opened and I had water flowing [ in a bucket] I have tried to start the test program [hold power scrub plus and regular switch at same time then start button] and lights start flashing you hear drain pump come in then the unit goes silent. Can you tell me how long the test program is supposed to run?

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 11 Answers

SOURCE: Bosch SHU4300 Water Fill Issue.

Similar problem for us turned out to be water accumulating in the tray which set off the float switch.  I vacuumed the water out and function returned to normal.  However, we are now facing a repairman's assertion the clay in our well clogged the water inlet systems necessitating $285 in repair parts and labor.

Posted on Oct 13, 2007

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  • 213 Answers

SOURCE: Bosch Dishwasher wont drain

have you removed the filter? if it gets clogged the dishwasher wont drain. other wise is sounds like a faulty drain pump

Posted on Nov 20, 2007

textonor
  • 130 Answers

SOURCE: drain pump won't stop

that usually happens when there is water in the base of the dishwasher where the motors are. Check to see if there is water in the base. This will trigger a float that turns off the water and on the drain pump.Remove the water and it should fill. However note that water came from somewhere, so find where it is leaking.

Posted on May 11, 2008

Yazz226
  • 497 Answers

SOURCE: Bosch 24 in SHU66C05UC/14

http://www.applianceaid.com/boschDW.html

i hope this link helps you diagnose your problem

Thank you for using Fixya

Posted on Jul 08, 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

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