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usmma76  
#1 Posted : Saturday, October 19, 2013 2:22:45 PM(UTC)
usmma76

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Joined: 10/19/2013(UTC)
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I ran the dishwasher on Normal Cycle, Air Dry, High Temp Wash like I normally do. After a couple of hours, I came back to check on it, manually shake the water off everything, and prop the door open. The green Clean LED was lit, but when I opened the door, the basin was still full of somewhat mucky water. I tried pressing the control buttons to get the water to drain and nothing would come on although the LED for each key would light. I checked the Thermal Fuse and it was okay (had continuity) and the door switches (they also had continuity when the latch was moved to the proper position). I can hear relays making inside the door when I press the control buttons so I'm skeptical that replacing the electronic control module will help. Any ideas as to what could be wrong?
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denman  
#2 Posted : Sunday, October 20, 2013 1:26:47 AM(UTC)
denman

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Here are your parts
Parts for Whirlpool DU940QWDB3 Dishwasher - AppliancePartsPros.com

See the attachment for the tech sheet.

You could check the motor windings for continuity/resistance.
Also check them to ground.
Check that the wiring from the board to the motor has continuity.

If all OK then I would say that the board is shot which is fairly expensive and may not be worth replacing unless the unit is in very good shape.
File Attachment(s):
DU940.pdf (651kb) downloaded 2 time(s).
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