Question about Whirlpool 24 in. GU2600XTP Built-in Dishwasher

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Dishwasher does not clean properly

The top arm in my dishwasher does not seem to be spinning during wash. Items on the bottom rack are clean, but not the top. I have removed the spray arm and cleaned it, but no help. The tube feeding the arm is not clogged either, as it also supplies the "rain" at the top of the tub, which is working. Help!

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Re: dishwasher does not clean properly

Sewnice, you might have to dig a little deeper to correct the problem. As long as you can spin the spray arm with your hand and it's not split it should be ok. Your chopper screen might be plugged. You will have to remove the lower spray arm and filter cover. These are torq screws. The accumulator assy. turns to the right to unlock and will lift off. It will take some pressue to snap it off the rear fill tube. Now you will be looking down at the cover that protects the chopper and screen. There is one torq screw holding it down. Remove the screw and lift it off. See if the screen is clogged. If it is, it will prevent the pump from sending water to the upper spray arm in force. back

Posted on Feb 24, 2007

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Re: dishwasher does not clean properly

Yes I had the same problem and just fixed it for $7.00. Did not even had to take anything apart. This is what you will have to do. If this dosen't work then try what these experts are suggesting. Please follow these steps for optimal results. #1 Break off a plastic Tea spoon. #2 Put it in place of a LATCH to by pass so you can watch the operation of the dishwasher.(put down some towels for water spill) #3 start the dishwasher on normal cycle. #4 Pour in Gallon of White Vinegar($2.00) while the Dishwasher is being filled. #5 Let it run through its cycle. After the cycle is complete water will drain out and then actual cleaning cycle will start. Then #6 while the dishwasher is being filled again pour in 48 OZ or bigger bottle of CLR (Calciam Lime Rust) it is available at Meijer, walmart, Rite Aid, Home Depot Ace Menard's etc. for $5.00. sit by the dishwasher and listen for it. if you hear water draining pull and push the water plunger so it won't drain so you don't loose your CLR down the drain. since you have the spoon in the LATCH your dishwasher will always be on so BE CAREFUL when you stick your hand in it. And after the cycle is complete enjoy your NEW DISHWASHER.

Posted on Mar 07, 2008

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Re: dishwasher does not clean properly

It looks like there is not enough water pressure to spin the spray arms. Loss of pressure may be due to various things, like damaged seal, cracked tubes, clogged filters, screens etc.
I suggest you take a look at the technician repair sheet that should be stored inside the front panel at the bottom of the door. Remove that panel under the door with screw driver. Inside, attached to the panel, you should find a troubleshooting guide and solution for technician. But it is easy to follow. Look at the section under "poor wash" and follow its recommendation.
Good Luck

Posted on Nov 27, 2007

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1 Answer

Why are the items on bottom rack not being cleaned properly

If is clean dishes in the upper basket, I conclude that the pump produces enough pressure what means that the lower spray arm for some reason does not rotate and because that washing result is bad. Before washing I would check the lower spray arm rotates freely and after that open the door during washing and check if the lower spray arm rotates. Sometimes, the holes in the spray arm clog and disable turning which leads to poor washing results in the lower basket.


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Still worth checking for hot water though, stop machine when you know its at a stage where the water is suppose to be hot. Also when the machine is loaded that the top arms are able to spin freely without hitting anything. Also make sure top arm holes have not got any old foo stuck in as this will stop them from spinning properly. Open door during wash and close door then re open to see how far around it has gone. Not as powerful as the bottom arm but shouldnt be that far of.

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The top rack is not cleaning because of low water pressure from the wash motor to the upper spray arm.
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