Author Topic: Bosch SHU9925 Dishwasher Not Using Same Water through entire cycle  (Read 7589 times)

Offline Penguin45

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Re: Bosch SHU9925 Dishwasher Not Using Same Water through entire cycle
« Reply #15 on: December 30, 2008, 03:11:15 PM »
It'll be the PCB - pump will normally be run for 1 - 1.5 minutes on the drain sequence, so presumably some sort of logic error.

Bosch p/no 481055.

Penguin45.

Offline qman

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Re: Bosch SHU9925 Dishwasher Not Using Same Water through entire cycle
« Reply #16 on: December 31, 2008, 01:27:47 PM »
Ran fine last night.  Ran wrong this morning. 

I took the circuit board out of the box it is in and there was nothing visibly wrong with it.  No burns, cracks, etc.  I unplugged and plugged back in the electical connections.

Nobody out there with anything?


Offline qman

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Re: Bosch SHU9925 Dishwasher Not Using Same Water through entire cycle
« Reply #17 on: December 31, 2008, 01:33:50 PM »
Sorry penguin, I didn't see a second page to this forum.  I figured it had to either be the controller or the wiring from controller to the pump.

Offline qman

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Re: Bosch SHU9925 Dishwasher Not Using Same Water through entire cycle
« Reply #18 on: February 28, 2009, 05:32:50 PM »
I got it working.  Before putting in a new motherboard I made sure the connections were good.  I disconnected and re-connected the plugs at the motherboard and then down in the base of the machine where the harness from the motherboard plugs into the junction block to all the components.  It started working fine again.  Then about two weeks ago the dishes were sometimes slightly dirty with dirty water in the base of the unit.  It turns out that the air gap was full of crud.  Now she cleans like she did day 1.

My wife and I have 4 kids and this unit runs at least 5 times a week, sometimes twice in a day and it still cleans superbly.  It has been a great piece of machinery.  And it's quiet.

 

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