Question about KitchenAid 24 in. KUDI01FLSS Stainless Steel Built-in Dishwasher

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Not washing dishes

My dishwasher does not seem to be cleaning the dishes. Do you have any ideas on how to reset or trouble shoot this. The top dishes/cups clean yet the bottome dishes do not.
Thanks,

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Hi and welcome to FixYa. I am Kelly.

Dirty dishes post cycle are a sign of draining problems however this is a list of what it could be.

1. A partially clogged drain
2. The timer motor is not functioning properly
3. A broken or worn pump impeller

Here is what you need to do:

Check your entire drain system. Start at the final outlet and work your way backward to the motor pump connection on the dishwasher.

Suspected areas are.

a. The sink connection outlet is clogged (this can be inside a garbage disposal.

b. The air-gap is clogged in the very top part of the air-gap (Usually located on the back of the sink and is around 3 inches tall) Remove the cover, unscrew the top nut and check under the horse shoe bend inside the plastic top for obstructions. Clean as needed)

c. There is debris on top of the the motor pump housing blocking the inlet drain. (This would be inside the housing of the lower wash arm on the very bottom)

d. The motor pump outlet drain port is partially blocked. (only accessable from the motor pump exit hole after drain hose removal.)

A partially blocked inlet tub drain to the motor pump would also explain why the lower part of the dishes are not getting clean. Additionally you would have spotted dishes post cycle.

When the drain is partially blocked some models use the float level switch in the tub to control the advancement of the timer. If the water does not drain the motor pump continues to run and run and the cycle does not advance until the tub is drained and the float switch senses same. i.e extended cycle

One more thing to check is the lower wash arm holes for debris or obstructions.

Thanks for using FixYa.

Kelly

Posted on Apr 27, 2010

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Hi I have a Blanco dishwasher BFDw8 which is having poor wash results in the top tray I have tried all the trouble shooting things in manual. Investigated further by opening door during wash cycle several...


  1. Check the water temperature. Should be 125 to 140 F.
  2. Check pump re-circulation., Listen, see if it sounds like it is spraying the water around with enough pressure.
  3. Check water level when the fill cycle has completed. Should be just under the heating element. If not, possibly need to replace the water inlet valve.
  4. Check the spray arm and pump cover for splits or leaks.
  5. Check to make sure dishwasher is draining after each cycle. There should only be a little water in the bottom of the tub.
  6. Make sure the dishes are loaded properly, or dishwasher is not overloaded.
  7. Possibly try a different detergent. Some liquid-gels will bubble and a pump cannot pump bubbles.
Scrape away large pieces of food, bones, pits, toothpicks, etc. Burned on food should be loosened before loading. Empty liquids from glasses and cups. Foods such as mustard, mayonnaise, vinegar, lemon juice and tomato products may cause discoloration of stainless steel and plastics if allowed to sit for a long period of time. Unless the dishwasher is to be operated at once, it is best to rinse off these food soils. Load racks so that large items do not prevent the detergent dispenser from opening. If the dishwasher drains into a food disposer, be sure disposer is completely empty before starting the dishwasher.
just click on the above questions for more help the answer will come to the screen
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My dishwasher doesn't seem to be washing the


Hello

Water Inlet Valve

A dishwasher's water inlet valve is its most common part to fail. When your dishes are not being fully cleaned, quite often a faulty water inlet valve is to blame. Test your dishwasher's water inlet valve, and if it is no longer functioning as it should, you will have to replace it.

Upper or Lower Spray Arm


Your dishwasher has a lower spray arm. It may also have an upper spray arm at the top of the dishwasher. These spray arms are designed to shoot high pressure, high temperature water at your dishes. It is possible that the holes of the spray arms, where the water comes out, are blocked with debris, affecting wash quality. You should inspect your dishwasher's spray arms regularly. Clean out the spray arms as need be.

Heating Element

Water temperature is a key element in achieving clean dishes. A dishwasher's heating element is not designed to heat the water that enters it. Rather, the heating element is designed to maintain the heat of the water that enters the dishwasher. Its a good idea to run the hot water in your sink for a couple of minutes before you run the dishwasher. Just to make sure the water is nice and hot before it enters the dishwasher. If the water is unable to stay hot, it can adversely affect your dishwasher's cleaning ability.


Filter/Drain Grate

There is a filter in your dishwasher. Its function is to keep large particles of food and foreign objects away from the pump. Many of the newly-manufactured dishwashers have self-cleaning filters, and routine cleaning isn't a concern. However, some other dishw ashers need to have the filter removed and cleaned regularly. If the filter or grate is clogged or blocked with debris, it may interfere with the normal functioning of your dishwasher. Consult your owner's manual for specific directions for removing your dishwasher's filter and cleaning it.

Detergent or Detergent Cup

It could just be that you aren't using enough soap to completely wash your dishes. Your dishwasher may be designed to dispense soap at two different times during the wash cycle. If you don't fill all of the detergent cups, then the diswasher will lose a cleaning cycle. Also, if you use a gel-type detergent, try switching to a powered kind. Powders tend to dissolve better in hot water. And don't buy in bulk. Detergents are most effective in the first two weeks. After that, they decrease in potency.

Alternatively, your dishwasher's detergent cup could be defective in some way. It is possible that it is gunked up full of built up detergent, and a thorough cleaning may be enough to get it working again. If that doesn't do the trick, you probably need to replace the entire detergent cup assembly. If your cup isn't even opening, please see our section My dishwasher detergent cup won't open.

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