Question about KitchenAid 24 in. KUDG25SH Built-in Dishwasher

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Help! Same white residue and even pro can't figure it out!

Help! Just like another poster, my top rack dishes have a white residue on them. I have tried everything suggested (Cascade detergent, Jet Dry, white vinegar rinse, running hot water first) with no luck. I've even had a pro repair person come out twice and he told me it's just soap built up. Lately I think my lower rack dishes aren't getting clean enough either. Any suggestions? How can I check for a clog on the spray arms?

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  • leeni8 May 03, 2010

    Thanks Phil - any chance it could be the check valve and/or chopper? I've read that could be a problem. Is that a costly repair?

  • leeni8 May 03, 2010

    Thanks Phil - any chance it could be the check valve and/or chopper? I've read that could be a problem. Is that a costly repair?

  • leeni8 May 03, 2010

    Phil,
    You are the best! Model number is KUDG25SHBL1.

  • leeni8 May 03, 2010

    Phil,
    You are the best! Model number is KUDG25SHBL1.

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Hi,

It sounds like a washability problem. A couple of things to check.

See if the bottom and top spray arms are free turning. Then look closely at the holes to make sure they are not plugged with anything.

The rest of this applies if you have mode KUDG25SH, if you have a different model number on the tag inside the door let me know and ignore the rest here.

You may have a split in the upper spray arm feed tube. If you slide the upper rack out and look under it you will see the spray arm(propeller looking) under and behind there is a vinyl tube also attached to the rack, look that tube over good, if it is broken or cracked you are loosing water pressure that does the washing.

Let me know what you find and I can help more if needed

Phil

Posted on May 01, 2010

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  • Philip May 03, 2010

    Hi,

    If the residue is from detergent it could be due to the sump area around the chopper or the chopper itself. I put together some instructions on how to access, clean and check that area. I have attached the link below to those instructions.

    If you do take it apart the check valve can be accessed at the same time, it is part number 5 in the diagram it sits in a little slot just the right of the copper sump area, you can only see the top of it once you are in there, but can take a needle nose pliers or tweezers and pull it out to check it.

    Let me know if you have more questions. I would be happy to do my best to help.

    http://www.fixya.com/support/r4628450-po...


  • Philip May 03, 2010

    Hi again, I am sorry the check valve and chopper I sent the instructions for are on the tall tub KitchenAid model, yours from the model number on the report here is a standard tub dishwasher. If you could send me the model number from the tag just inside the door I can make sure I am giving you the proper procedures for the dishwasher you have.

    Phil


  • Philip May 03, 2010

    Hi,

    Below is breakdown of your pump. Part 19 is the chopper and to be honest I have never had one go bad in this model, it is somewhat common on the tall tub but never on this model.

    The check valve is part 15, the only thing that fails on this is it can get plugged up with seeds or toothpicks or other foreign objects, if this were to happen you would not be draining the water out of the tub.

    If you can see it, take a look at the screen on top of part 9 just below the lower spray arm. You are looking to see if the screen is plugged up with the white residue. If so it needs cleaned (vinegar works good) or replaced.




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