Question about KitchenAid 24 in. KUDI02IRBS Stainless Steel Built-in Dishwasher

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Wash Arms not spinning --Dishes not clean


I suspect the impeller may not be moving enough water to properly rotate the spinner arms.


I first checked the inlet solenoid to insure hot water was coming in. I added more water by hand in case it was shutting off too soon. I then set each arm to a known positon. Bowls were placed on the top rack to catch water from the top spinner. I closed the door, then opened the door during wash or rinse. The arms would only sometimes be found rotated, and the bowls had little or no water in them.

I removed the bottom spinner assembly to check the impeller, and it is spinning during either cycle. I also ran the units self test, which indicated no problem (of course!). Do I have a bad motor or impeller linkage? Or???


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  • gl_productio Feb 01, 2009

    Sorry, posted in wrong place...I have Maytag Quiet Series 300, not Kitchen Aid.



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Without the model number of your Maytag number, I can not determine if when you order a wash pump motor you also get the impeller.
Sounds like you are on the right path to getting your dishwasher to wash dishes again.
Oh, while you have the dishwasher open, check that the heating element has not failed using a Multimeter.

Good Luck!

Posted on Apr 10, 2009


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1 Answer

Dishwasher will fill and empty but no water coming through the spinners

It would help if you provide the model number.
Usually the problem is with the wash distributor circuit. The water alternates between bottom and top spinners (wash arms). The distributor may be faulty assuming the arms are clean and you have checked this. Some models use the same pump for wash and drain using impeller. In that case the problem could be the impeller is clogged and not allowing water to get in the arms. See this diagram.

Model number will help identify the part.

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Dirty dishes

It could be a motor or a pump issue. The dishwasher has a motor that attached to a pump which forces the water up into the sprayer arms and during the drain cycle, it pushes the water out of the dishwasher.
The motor (and pump) located beneath the dishwasher.
Check if motor spins. In case it spins, the problem is with the pump ,in case it doesn't spin it could be a motor problem or a motor and pump problem.

First of all: filter plate clean? Clean any locked hole.
1) Can you remove the upper spray-arm and verify if holes inside are locked by any residus. Clean the holes , and check if pure water come out when you fill the center hole with some water.
2) Switch on the dishwasher , coldest wash cycle dish-washer empty and without the upper spraying arm. Once you hear water streaming in, open the door and look if a little water fountain comes out from the center hole where the upper spraying arm was fixed. If not, this canalisation is blocked and should be cleaned. Try to continue the wash cycle, often the water pressure will clean itself this canal. Check also lower spray arm: it should be rotating a while and ejecting water thru its holes. If not, verify this canalisation as well.

3) Put the spraying arm again on its place, verify also the sealing else water pressure is going down and spraying will not turn and spray water.

4) Again, continu a wash cycle, open the door and look; upper arm should be rotating and some rays trown out.

Hopefully, this helps .

If not, pump pressure may be low; have a repair verify, can be that only brushes in the motor must be replaced, can be the pump worn out and to be replaced at all.

Aug 12, 2008 | Asko D1776 Built-in Dishwasher

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Whirlpool Gold Dishwasher - GU2700XTSB The top rack of the dishwasher is not cleaning. The bottom rack dishes clean fine. There are no clogs in either the bottom or top spinner arms, the plastic tube...


I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...

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Jan 20, 2011 | Whirlpool GU2700XTSB / GU2700XTSQ /...

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GE Triton seems to lack pump pressure to rotate the wash arms.

1)please check the impeller nut is loose.

2) please check the hose connected to the arm any block.

Jan 08, 2010 | GE Tritonr XL GSD6260JCC Dishwasher

1 Answer

Suspect arms not rotating

there is insuffient water in appliance it needs 32 litres to wash properly and have enough pressure for wash pump to drive spray arms round this is quite easy to fix but messy, remove base panel plastic and metal one behind this exposing a plastic corrugated hose this will be blocked with fat limescale etc and needs cleaning it is a push fit with o rings pull out clean pipe refit and all should be well.also check holes on ends of spray arms are not blocked as they will not rotate but water will still come out

hope this helps

Jul 14, 2009 | Bosch 24 in. SHU66C02 / SHU66C06 Built-in...

1 Answer


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).

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

Check the manifold as well for clogs.

Another spot will be a malfunctioning wash impeller. i would inspect the wash impeller as well. it is responsible for the flow or water during the wash.

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2 Answers

LG LDS5811WW Low pressure out of spray arms

On the LG LDF xxxx dishwasher family, the Vario feature uses a motor/check valve to switch between "full power" cleaning from _either_ the lower or the upper spray arms, never at the same time. So, not seeing the upper arm spin during the lower arm spinning is standard operating procedure.

But back to your problem. Step one would be to remove the filter assembly again and make certain that there is nothing (debris, broken glass) blocking the white areas where the check valve rotates to switch between upper/lower spray arms. A blockage there ~could~ cause impotent spraying/cleaning.

If there is no blockage and the impeller remains in good shape, suspect a failing wash pump motor. Try to isolate the noise to that motor.

Watch for error codes on the display and report back what you find, OK?

Good Luck!

May 14, 2009 | LG 24 in. LDS 5811ST Stainless Steel...

1 Answer

Not enough water pressure to move upper arms or clean dishes

Recommend you pull the bottom spray arm straight up, then out of the DW.
Remove 9 phillips screws that hold the filter shroud down. Remove the filter and clean/rinse it out.
While the filter it out, grab a flashlight and inspect all over the sump area. Especilly in the area the has the check valve that rotates (Vario motor-driven) to feed the water pressure either to the lower and then the upper arms. Watch out for broken glass! Also, inspect the impeller to see if it is undamaged and spins easily.
Reassemble, then test out.
If problems remain, the the wash pump motor is probably the culprit. Do you get any error messages on the time display?
Good Luck!

Apr 05, 2009 | LG LDF6810ST Stainless Steel Built-in...

1 Answer

Dirty dishes

if water comes into machine then valve is ok.
open machine when in cycle and look to see if spray arms are rotating
if not, then take out and clean.
spray arms only rotate with water jetting out of angled nozzles at end and if these are blocked then no rotation and poor wash

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2 Answers

Water not going through spray arms

1.does motor run? no. replace motor. door and leave the bottom rack inside dw.spin the spray arm underneath the bottom rack by hand. it should spin freely without binding. if it doesnt spin freely take out the bottom rack and try again. if it does spin freely then your bottom rack is laying on your sprayarm preventing it from rotating. could also not be getting enough water into your dw.

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