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Whirlpool dishwasher buttons stop working one at a time


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7 replies to this topic

#1 JohnO

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Posted 13 June 2005 - 12:02 PM

I have a Whirlpool Gold Model # GU940SCGB1. About 3 months ago the Normal wash button on the control panel stopped working. We began to use the energy efficent button. It stopped working yesterday and now are using the China button. Is it a bad pad, control panel or do I just need to go in and clean it...Thanks! 

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#2 Pegi

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Posted 13 June 2005 - 12:12 PM

Cannot be sure but sounds like a bad touch pad.
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#3 JohnO

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Posted 14 June 2005 - 03:13 AM

Is there any simple test?

#4 Samurai Appliance Repair Man

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Posted 14 June 2005 - 03:39 AM

Very simple test.  Refer to the interface matrix for your touchpad.  To test the Normal cycle button, use your ohm meter to measure forward and reverse bias at ribbon connector points P1-4 and P1-13 with the Normal button pushed in. 

 


#5 JohnO

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Posted 14 June 2005 - 05:49 AM

My simple grasshopper mind is probably asking a stupid question but since it is a touch pad and has a led light that lets you know if it is pushed or not (which doesn't come on regardless of how many times you push it), how do you know if it is on or not? Also, since the led light does not come on, doesn't this say that no current is going through the switch?

#6 Samurai Appliance Repair Man

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Posted 14 June 2005 - 06:41 AM

You'll know it's pushed because your finger (or someone else's) will be mashing the button while making the test.  Since this is a continuity test, this is done with the power disconnected and the control panel ribbon connector dsconnected from the control panel. 

If you're still confused by what I'm saying, then you should not attempt this test yourself as this is beyond your technical ability and you're likely to attain false or misleading results.


#7 JohnO

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Posted 18 June 2005 - 06:12 AM

As you said, it was a very easy test. For the normal, I could not get a reading at all. I couldn't get one for Low energy either, which are the two buttons that don't work. But I got a reading for China, which is the only one that works. Obviously it is the touch panel, and I will be ordering it through your site! Thanks a bunch.

#8 Samurai Appliance Repair Man

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Posted 19 June 2005 - 04:03 AM

Nice shootin', Hoss!  :armed:




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