Dishwasher arms not spinning

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Old 11-10-19, 10:11 AM
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Dishwasher arms not spinning

I have a Whirlpool Gold series dishwasher that has 3 arms. The bottom and middle are not spinning but the top one is. I've cleaned the arms and the sump area and filters with no results. I removed the upper rack with the middle arm attached and ran water from a garden hose thru the tube and while water shoots out of the arm holes, it still doesn't spin. Does anybody have any other ideas I could try.
 
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Old 11-10-19, 11:07 AM
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No model or age listed.

Typically that's cause by reduced output from the main wash pump which is usually caused by a blockage into the pump.
 
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Old 11-10-19, 11:14 AM
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Thanks for the reply PJmax...The model is wdf750sayw1 and I purchased it in 2012. Is the main wash pump the same as the circulator pump?
 
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Old 11-10-19, 11:38 AM
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Have you periodically removed and cleaned the tub screen/filter?
 
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Old 11-10-19, 11:45 AM
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Yes, I do that every few months. I have never had much on the screen or in the filter
 
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Old 11-10-19, 01:02 PM
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Do you have the tech sheet?
It is usually behind the kick plate

Perhaps the following will help.
https://www.dropbox.com/s/2ngwlh135q...asher.pdf?dl=0

Often a low fill van cause this.
Check that it is getting enough water.
If in doubt add some hot water just after a fill.

Also this unit uses a diverter that can cause problems.
Just be careful not to overfill it.
 
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Old 11-10-19, 01:19 PM
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The water level is at the bottom of the heater element so I figured it was correct. I didn't realize that it had a diverter so I will look into that further. Thanks for the info and link Manden.
 
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