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So the first thing you'll want to do is see if you're getting 110 volts down to the valve when it should be filling. If not, then only the control board or a faulty pressure switch can cause the issue. If the pressure switch is reading incorrectly and thinks the dishwasher is already full, then below is a link to the pressure switch on the left side you'd need to order and replace.
CLICK HERE for pressure switch
Now if the dishwasher waits a minutes or two while just sitting there like it's waiting to fill up, then you have a faulty control board and the control board would need to be replaced. Below is a link to the part you'll need to order and replace.
CLICK HERE for control board
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