Question about Whirlpool 24 in. DU900PCD Built-in Dishwasher

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Whirlpool DU900PCDQ6 Dishwasher Will Not Fill With Water

I have a Whirlpool "Quiet Wash" built in dishwasher, model DU900PCDQ6, that doesn't fill with water. I have no experience working on appliances. I attempted to pull the dishwasher out of its space in the kitchen counter, was surprised to find it wrapped in insulation, and decided I have absolutely no idea what I'm doing and should ask an expert before I damage it further or hurt myself. What should I do to figure out what the problem is? Can I pull it all the way out of the wall without breaking anything? It's about halfway out of the "hole" in the counter at the moment.

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Wow a 13 Dec 2009 post. I just started in Jan 2010 and am going thru questions.

Hi and welcome to FixYa. I am Kelly.

Before you go taking it out from under the counter... (at this point thre really is not a need to do so) lets back up a bit.

There are 2 main suspects at this point.

1. The internal Float and Switch assy sticking / inoperative

FLOAT (Item32 of link)

The float should move freely up and down. If the stem gets coated with debris it can stick in the up position. Make sure the float moves up and down while listening for an audible switch "click" as it nears the top position and just as you begin to lower it again.

The Float Switch (Item 30 of above link)
This is the switch that you should hear as you move the float up and down. No click = no fill


2. The water valve assy not functioning correctly

Water valve (Item 16 of above link)

The failures of a water valve are:
a. An open coil
b. A clogged diaphram
c. A sticking internal needle valve that is actuated by the coil

I am pretty sure that it is either a stuck float or a bad water inlet valve.

Thanks for using FixYa.


Posted on Mar 23, 2010


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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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