Question about Whirlpool GU2400XTP Built-in Dishwasher

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Dishwasher not cleaning

My dishwasher doesn't clean all the dish that are on the top rack .

Do you know why this happens?

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  • Mark Egan May 11, 2010

    Check that the upper spray bar rotates freely, and the nozzles are clean. You may need to remove it to clean the nozzles and assure there is no trash inside the arm.

    Also, check that the water path up to the upper spray bar is clear of trash.


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  • 188 Answers

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 (part # 8268383). If the motor gear is broken, replace the sump and motor assembly (part # 8535150). Remove any debris from the sump area in the process.
You don't have to because the door will be open, but if you feel more comfortable shutting off the power to the dishwasher, do so.
Good luck!

Posted on Mar 05, 2009

6 Suggested Answers

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SOURCE: kitchen aid dishwasher doesn't clean dishes in the top rack

Sounds like you have 1 of 2 problems. Either your pump is clogged or you need a bigger drain loop.

Posted on Nov 25, 2008

larryyb
  • 291 Answers

SOURCE: kitchen aid dishwasher doesn't clean dishes in the top rack

replace the top spray arm and it should work ok again

Posted on Nov 27, 2008

techcrazy
  • 72 Answers

SOURCE: Kitchenaid, new dishwasher, stopped cleaning top rack dishes

The problem most people encounter with dishwashers is a simple inability to get the dishes clean. There might be stuck-on food or residue from the detergent. A water pressure problem may be the culprit. You may need to replace the water intake valve. Another common problem is mineral build-up. If your house has hard water, the mineral build-up can clog the water jets. Clear each jet with a wire or pin, and run an empty load with some vinegar in the detergent dispenser about once a month.

Sometimes, the dishwasher has problems draining properly. There could be a clog in the drain hose, or a problem with the pump. It's also possible that the dishwater is getting too sudsy, and sensors in the washer aren't detecting the soap foam as water. This causes it to shut down the drain cycle too early. Just use less detergent.

Posted on Feb 02, 2009

  • 2 Answers

SOURCE: dishwasher doesn't clean the top rack whwn we riun it.

sounds like the jets are cloged you can try a small wire to try and unglog the jets that or you water does not have enoph pressuer hope this helps

Posted on Feb 12, 2009

kram26
  • 544 Answers

SOURCE: 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,

Posted on Mar 18, 2009

wiringlunati
  • 576 Answers

SOURCE: whirlpool du1055xtsq 3 not cleaning top rack of

In my experience, you probably have a clog in the spray arm/arms for the top rack. Take the arm(s) out and see if the holes in them are clogged. Rice, plastic wrappers, and glass from dishes that broke in there are the most common culprits I've seen.

Posted on Nov 25, 2009

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