Question about Whirlpool 24 in. DU915QW Built-in Dishwasher

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We have a film residue left on our dishes, etc. I have tried a white vinegar rinse, used rinse additive with no results. What should we do?

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There are 3 standard answers to solving the white-deposits-on -dishes problem: 1) Use a rinse aid; 2) use less detergent; 3) use vinegar in the washer. If you have hard water, none of these may work, especially if you've had the problem for a while. Because phosphates were ordered removed from dishwasher detergents, hard water minerals can now react with the soap to create a heavy greasy-feeling scum. That scum can build up in the water lines, arms, bottom reservoir, and filter, providing an endless supply of goo to spray on your dishes. This can be fixed. You need to remove and clean out the spray arms, the filters, and especially the array of parts at the bottom of the tub. I've seen up to 1 cup of coagulated/crystallized scum in the bottom of dishwasher tubs. Once you clean out the scum, then run the washer empty with a completely full detergent cup on the highest temperature setting, extra rinse. Before you start it add to the detergent cup 1 teaspoon of TSP(tri-sodium phosphate), a very powerful phosphate cleaner available at hardware stores. Your washer will now have all scum gone from the inner workings. From now on you must always fill both your detergent and pre-wash cups to the max and use a high temperature water setting, extra rinse. Chemically what you're trying to do is adding so much detergent that the scum-forming reaction is overwhelmed by the dispersant action of the detergent, and the extra heat helps this to be more effective. I am not a fan of vinegar in the wash cycle. Why? In some washers the vinegar fumes can reach the exposed contacts of the printed circuit board or touch pad, corrode them, and then your washer won't work at all, along with being very expensive to fix.

Posted on Nov 15, 2010

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The problem is hard water. www.dishwasherfilter.com has a product to solve this problem once and for all. It filters the water going into your dishwasher and removes the hard minerals that leave those spots. It is very affordable and even has a money back guarantee. You will love the way your dishes look with this product.

Posted on Nov 06, 2010

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Hi, I have an older dishwasher also and recently my wife alsocomplained about it not cleaning right... so me being the man I am tried invain to clean the things... Bought new spray arms online and installed them inminutes...now the thing works like new... However I have also found that if theheating element goes bad then that also can mess things up bad... So I wouldbuy new spray arms, and also check out the heating element to make sure it isworking... Here is a tip that will help you with the online buying...
Dishwasher Spray Arms not Spinning

How to Buy Appliance Parts Online

A bad heating element causes many problems in dishwashers...

Dishwasher Problems The Heating Element not Working

Dishwasher Maintenance

heatman101

Asker's Testimonial " explanation very clear. will give it a go and seehowsimple it was. thanks Ronnie " - ronnieshomes

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Posted on Sep 30, 2010

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Posted on Jan 02, 2017

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It doesn't clean well I have bought rinse lemishine and it doesn't clean dishes and leaves a white residue I'm using cascade


Hi



White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.
You can also add vinegar in the final rinse cycle. Make sure that your soap dispenser drawer is opening and closing fine.


Hope this helps... Please post back if more information is required.



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Hi



White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.
You can also add vinegar in the final rinse cycle. Make sure that your soap dispenser drawer is opening and closing fine.


Hope this helps... Please post back if more information is required.



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White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.
You can also add vinegar in the final rinse cycle. Make sure that your soap dispenser drawer is opening and closing fine.




Hope this helps... Please post back if more information is required.

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Hi
White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.
You can also add vinegar in the final rinse cycle.
Hope this helps... Please post back if more information is required.
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Hi


White film deposits are observed if water is hard or when you are using more detergent than needed, try filling detergent cup half way. Try using white vinegar after the wash cycle is complete, run a complete cycle. Also turn down the heat on the hot water fed to the dishwasher. Try using water softener for better results.

You can also add vinegar in the final rinse cycle.


Please post back if more information is required.

Daniel

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My dishes are filled with white residue from the hard water. I've tried vinegar to cut it and new rinsing agents but nothing works. Is there a filter to clean out any hard water deposits? Do I need to...


Hi,

The scum, film and white residue problems have started since the reduction of phosphates in dishwasher detergents.

Here is a tip that will help you to solve the problem of films, residue, and scum in your dishwasher.

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;];];\;]

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Here is a tip that will help you to solve the problem of films, residue, and scum in your dishwasher.

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heatman101



./,,/.

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I have a Whirlpool Gold dishwasher and had the same trouble. I found the solution. Fill the detergent dispenser to the top with Cascade Complete liquid gel - it is in a green bottle, then put a half a cup of white vinegar in the bottom of the tub before you start the dishwasher. I have tried them all and Cascade Complete Gel works best. Don't use powder. It really builds-up on my dishes and only the gel keeps the film off my dishes.

I also add Jet Dry in the rinse-aid dispenser but I have a friend who use vinegar in that too. The dishes come out sparkling clean with no film or white build-up. If they still are filmy after three washes using this method, then you may have some build-up in the dishwasher and you can put a cup or two of white vinegar in the bottom - with no detergent or dishes and wash and rinse well. That helps get rid of build-up.

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Place a cup of vinegar in top rack corner (upright) and run an empty cycle to clean any build up.
Stop using any rinse-aid (jet-dry etc.), if the detergent you're using already has it included. Too much rinse-aid can create a white film on your dishes. A good way to check for rinse-aid build up is to run your fingers on the inside of the cabinet and check for a white powdery residue on your fingers. You can also run the dishwasher for a couple of minutes and check for excess suds in the water when you open it. Excess suds would indicate a rinse-aid build up.
Run the hot water at the tap before starting the cycle and make sure it's at the recommended temperature (120-140°F).
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