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Bosch Dishwasher Water Fill Issue

Bosch Dishwasher

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42 replies to this topic

#1 PebbleInHand

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Posted 29 May 2013 - 09:43 AM

I have a Bosch SHX46B06UC /14 dishwasher.  When the cycle starts there is just a small amount of water coming out of the bottom spray apparatus.  Having read the troubleshooting guide it appears the water inlet valve is the likely culprit. 

 

Any other thoughts?   Also, I didn't install the machine.  Are these hardwired or plugged into an outlet?  

 

Is there a service manual available?

 

Thanks!



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#2 PDuff

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Posted 29 May 2013 - 12:02 PM

Check filter plate at tub base for buildup.  This model also has a tendency to collect foreign material in the lower spray arm.  Remove spray arm by lift up and off of hub.  Rinse out with water and check all spray arm ports for blockage.  Depending on the age of your kitchen the d/w could be either hardwired or have an electrical cord plugged into outlet.



#3 PebbleInHand

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Posted 29 May 2013 - 03:50 PM

I've cleared out all the spray arms flushed them with high pressure water and they work fine.  When I turn on the machine it sounds like it normally did when functioning but if you open the door there is just  small amount of water coming out of the bottom spray arm. 



#4 jumptrout

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Posted 29 May 2013 - 07:19 PM

Your main pump impeller may be blocked or stripped out.

Manually add water to verify if the water level is sufficient for good water flow.

If you still have the pumping problem,change out the impeller on the wash pump motor.



#5 Samurai Appliance Repair Man

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Posted 29 May 2013 - 08:02 PM

Wash impeller and seal kit with how to video: http://www.repaircli...t/167085/935404

#6 PebbleInHand

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Posted 30 May 2013 - 06:19 AM

Thanks for the link to the video.   Very helpful.   I'll order the part and give it a shot. 



#7 PebbleInHand

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Posted 04 June 2013 - 12:39 PM

I'm about two minutes into this video and too many things are different than my machine.  Different wiring set up.  Metal plates on the sides covering the hinge covers.  Is there any point in proceeding?  I'm concerned about taking this whole thing apart and realizing I have the wrong part.  

 

thanks



#8 Samurai Appliance Repair Man

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Posted 04 June 2013 - 01:28 PM

It is the correct part.  All the guts are the same, don't let the external differences deter you.  Stay the course.  Be strong.  Use the Force.  Gird up your loins like a man.  Grok the training manual:  http://appliantology...-edition-rev-7/



#9 PebbleInHand

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Posted 05 June 2013 - 10:10 AM

I replaced the part and managed to put it all back together and it is the same as it was before.  Turn it on, it sounds like its working but when you open the door there is just a little trickle of water coming out of the bottom sprayer arm. 

 

Any ideas?



#10 RegUS_PatOff

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Posted 05 June 2013 - 10:49 AM

does it have enough water ?

did you try and add some as was suggested ?


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#11 PebbleInHand

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Posted 05 June 2013 - 10:54 AM

How do I know if it has enough water?  I filled up the sump. 



#12 jumptrout

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Posted 05 June 2013 - 12:42 PM

Place a glass open end UP in the lower rack and the upper rack.

Run the dishwasher 5 minutes in the wash cycle.

Open the door at the end of the cycle and see how much water is in each glass.



#13 PebbleInHand

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Posted 05 June 2013 - 01:22 PM

  No water in either glass.  When I open the door there is a small amount of low pressure water coming out of the holes on the lower washer arm.  But just dribbling out.  



#14 PDuff

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Posted 05 June 2013 - 02:29 PM

Check drain hose for a proper "gooseneck" where it connects to disposer or sink drain to prevent siphoning.  If drain hose is installed correctly and you're getting sufficient water fill and wash impeller is new and working then there has to be something interfering with water flow.  Recheck for obstructions in sump, spray arms and manifold.



#15 PebbleInHand

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Posted 06 June 2013 - 06:45 AM

I've blown out the spray arms with my hose. They seem fine.  Any advice on how to best check the manifold and sump?  

 

I ran the test again and after five minutes I had an inch of water in my lower rack glass. None in the top.  But now when I open it there is significantly more water flowing.  Also, prior to this incident where the water flow stopped the top had been not washing as effectively as the bottom. 



#16 Samurai Appliance Repair Man

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Posted 06 June 2013 - 06:51 AM

Check drain hose for a proper "gooseneck" where it connects to disposer or sink drain to prevent siphoning.  

 

Pebble, have you checked the drain hose for siphoning?



#17 PebbleInHand

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Posted 06 June 2013 - 07:07 AM

I have not.  I checked that it was installed properly.  Is there a way to test for siphoning?  If there is extra drain hose length should I cut that out?

 

And is there a way I can check the manifold for blockage?  Everything else seems clear. 



#18 Samurai Appliance Repair Man

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Posted 06 June 2013 - 07:22 AM

I have not.  I checked that it was installed properly.  Is there a way to test for siphoning?  If there is extra drain hose length should I cut that out?

 

 

Yes, watch the drain discharge while it's washing.  Should not be any water flow coming out.  



#19 PebbleInHand

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Posted 06 June 2013 - 07:39 AM

No siphoning.  



#20 Samurai Appliance Repair Man

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Posted 06 June 2013 - 07:54 AM

Okay, let's review where we are so far:

 

- water fills to the proper level in the basin

- visual verification that the water is not siphoning out during wash

- wash impeller and seal kit have been replaced

- wash motor is getting proper voltage and running

- water is not circulating properly in the dishwasher

 

Possible Conclusions:

 

- one or more of the facts stated above are incorrect

- impeller and seal kit were installed incorrectly

- internal blockage restricting intake to wash impeller

- bad wash motor

 

Am I missing something?







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