Question about Roper 24 in. RUD3000 Built-in Dishwasher

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Dishes are not clean.. on top level the dishes seem to be steamy

The glasses on top seem to be steamy, not clean.. wondering if the water arm that comes up could be stuck in the down position because the dishes on bottom rack are clean...

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Check the following to address this issue.


1. No water
Make sure you get water to the dishwasher. Check to see if the water shut-off valve (located under the sink) is open. If you get water to the dishwasher, but there is still no water inside during the fill cycle, the problem might be with a faulty water valve (located at the bottom of the dishwasher, behind the kick panel, on either side), in which case replace the water valve.

2. Not enough water
If there is not enough water, the dishes would not get cleaned. This could be caused by a partially closed water shut-off valve (located under the sink), or a faulty dishwasher water valve (located at the bottom of the dishwasher, behind the kick panel, on either side).

3. Clogged spay arms
There is usually two, sometimes three spray arms in a dishwasher. Make sure there is no debris blocking the holes inside each spray arm.

4. Water temperature is too low
To get the best results, the water has to be at 120 degrees Fahrenheit when entering the dishwasher.

5. Not enough soap
If you only fill one part of the soap cup, try adding soap to both parts.

6. Smoky film on dishes and glasses
This problem occurs due to excessive calcium build up inside the dishwasher. Try cleaning you dishwasher using a dishwasher cleaner.

Posted on Jun 11, 2009

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1 Answer

Dishes on top shelf not getting clean


Check your upper wash arm.... check the holes, especially the ones at the end of the arm. Are they possibly clogged with debris or hard water? This is the usual cause of dishes on the top rack not getting clean. The holes at the end of the wash arm are angled to eject the water at an angle to use the reaction to push the wash arm around. If those holes are clogged, then the arm won't rotate, and only those few dishes or glasses right under the arm will get clean, and the remaining 80% of the dishes on the upper rack won't get clean!

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My first guess is to check the spray arms are not blocked from spinning by a large plate or utensil and /or the spray arm orfices are clogged. Removal of the spray arm should be fairly simple and run water through the center of the arm and see if it comes out the jets.

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I expect your filter is clogged which does not allow sufficient water to get from the pump to your spray arms. Thus they do not clean out the detergent nor do they clean the dishes. You might test this by placing a glass right side up in the top rack and run a normal wash cycle. The glass should fill at least half way with water.

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Dishes on top shelf, usually cups and glasses, not washing correctly. Have tried rinsing cl eanser to no avail


Hi,

Probably a blocked spray arm. Remove the top spray arm and check and clean all the holes as this is where the water sprays out from to clean the dishes and glasses. When they are blocked you get poor wash results. Might also be worth checking the other 2 spray arms at the same time.

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1 Answer

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Hi,

Probably a blocked spray arm. Remove the top spray arm and check and clean all the holes as this is where the water sprays out from to clean the dishes and glasses. When they are blocked you get poor wash results.

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1 Answer

Dishes on top won't clean, seems to stem from arm below


Sounds like the water pump is not pumping the water. Or the most likely problem is that your arm is plugged with hard water or something. Take it out and clean it and check there first. Or something in the arm has broken and it no longer spins because it is not pressurizing correctly. Some acids will help disolve hard water and clean up the problem. I use a commercial grade acid for cleaning ice machines to eat away the hard water. Good luck and let me know if i can help you out anymore.

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The broken bottom arm is probably preventing any water / water under pressure to get to the upper arm.
After you replace the lower arm, you should have much better cleaning in the top shelf.
While you are in there replacing the lower arm, recommend you remove the filter under it and clean the filter and any debris you find. Be careful of broken glass!
Good Luck!

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brittgee, there has been a number of service flashes on this model. One that has to do with the upper spray arm assy. Complaint is poor washability; gritty glasses, food redeposited on glasses, especially in the corners. They redesigned the upper spray arm to improve water spray to all corners of the upper rack. The new part number is 8269022. They also redesigned the third level spinner for more consistant rotation and better washability. This was also under a service flash. Part number.8193768. Other reasons for poor wash would be; low water temperature, rinse aid disp. not working, loading etc. Catriver...post back.

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