Question about Whirlpool DU1055XTS Built-in Dishwasher

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Top wash arm doesn't spin.

Water is going through but won't spin the top rack arm.

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Hi,

This is usually due to restrictions from debris in the sump area of the pump, it will not allow enough pressure from the pump to spin the upper arms. I have put together some instructions on cleaning this on your model, follow the link below and let me know if it was helpful.

Whirlpool pump cleaning

Posted on May 28, 2010

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Posted on Jan 02, 2017

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If you look at the bottom arm you will notice an extension nozzle that comes up out of the center. If you block that from going up during the wash cycle with dishes then the water will not reach the top. This is what makes the top arm spin.

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These spray arm will only get water several times in the wash and rinse cycle. They do not turn at the same time the lower (bottom large spray arm under the bottom rack).
There is a chamber that diverts water either to the bottom sprayer or to the top sprayers, not to both at the same time.
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The top rack of dishes are not getting clean. I


you need to check the upper wash arm for blockage from debris,if this is not the case,then you need to replace the water conduit from the lower sump area to the top arm,after time the water erodes the plastic conduit especially where it connects at the arms and water gets by these areas and can no longer build pressure to spin the wash arm

Apr 19, 2010 | Whirlpool DU1055XTS Built-in Dishwasher

1 Answer

Top shelf dishes are not washed


possibly low water pressure...

racks might be in backwards if it's an older model with wheels on shelf system... rubber bumpers should face out...

could be a blockage in the upper sprayer arm... or the upper arm had come off and was remounted in a position that doesn't line up with the jet of water from below...

could be bad loading technique... sounds simple enough but you should never put large bowls or pots that lay horizontally on the lower rack because it really screws up the cleaning effectiveness. Large items should always go on the top rack or be washed by hand if they don't fit on the top rack.

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Check to see if the top rack wash arm water fitting is mating with the outlet on the back inside of the machine and the spinning was arm. This fitting can become displaced causing the water from the pump to just spray out into the washer and not clean the dishes on the top rack. it's usually just a matter of re-positioning the fitting and making sure it's connected to the top rack spinning wash manifold.

Apr 27, 2009 | Dishwashers

1 Answer

My dishwasher is not washing dishes on the top rack...


HI,

The top rack is not cleaning because of low water pressure from the wash motor to the upper spray arm.
Assuming the top spray arms are clear of debris, remove the lower spray arm to access the wash motor. Remove the 4 torx screws and the filter (accumulator assembly). Remove the torx screw and the inlet protector that covers the chopper assembly. Make sure the chopper is not broken (broken chopper will fill with debris and block water flow). While holding the chopper blade, reach inside the "D" shaped opening on top of the motor and spin the wheel/motor by hand in each direction to make sure either the chopper gear or the motor gear that drives the chopper is not broken. Replace the chopper if necessary . If the motor gear is broken, replace the sump and motor assembly . Remove any debris from the sump area in the process.
You don't have to shut the power off to the dishwasher because the door will be open, but if you feel more comfortable, do so.


thanks,

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Hi: I just posted a similar problem, but found a solution. After taking the arm, etc. apart (and verifying no blockages), I thought maybe the lack of water pressure was being caused by the fact that there are TWO holes for the top spray arm (higher and lower rack setting) on my model. ie. that water was being forced out of both holes, causing a drop in water pressure, which was causing the top spray arm to stop spinning. I plugged the unused hole with a wine bottle cork (to keep the water from spraying out the unused hole), and voila, it now works.

I wish all appliance fixes were this easy...!

S

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3 Answers

Top arm not spinning


only the top rack isnt getting clean?
there is a little plastic circle in the middle of the bottom of the upper spray arm. turn it counter clock wise to pull the upper spray arm from the upper rack. make sure that isnt clogged and the spray holes are not clogged. otherwise....

the piece that the bottem spray arm plugs into and runs along the back wall of the tank to the top is called a feed tube. pull the bottom spray arm out. now you can see the part of the feed tube that feeds the upper spray arm water. does it pop out freely and easily? if so then you need a new feed tube, if not then its most likely your not achieving the right water level or your impeller connected to your circulation pump(motor) is clogged not supplying enough water pressure to travel up the feed tube to spin the upper spray arm.

Jul 13, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Top rack arm doesn't spin.


matt, did you get down to the chopper screen? If that screen is clogged the flow to the upper arm will be restricted. Check out the pic, Catriver

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