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Not dispensing detergent properly---not getting top rack clean-------could this be a problem with the kitchen drain? I clean the filters often. I have Model SHU43C Thanks for the help, Barbara Lawrence

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Hello Barbra. Not likely a drain problem because the machine is evacuating of the water from the sump. The bottom rack i assume is ok.
So the top rack in not doing it's job.
1.......clean out all of the timy holes in the spray arm.
2.......make sure there is nothing stppind the top arm from turning
give it a flick to see if it spins around freely
3..... tall object in the bottom can stop the arm from turning.
4.......some bosch machines have a divertor valve to alternate the water from the top to bottom racks. The valve. if faulty can be stuck in the bottom position not allowing the top arm to turn. Yopu can check this by turnint both arms to line up with easch other, say both arm ends pointing to you . then close the door and start the machine. after a short while of hearing the water swishing, open the door and see if the arms ahve moved. if both arms are turning then you know the divertor valve is ok. Even if your model does not ahve a divertor valve this is a good way of testing the spray arm operation.
Always use good quality soap and avoid tablets. use powder and make sure you have rinse aid in the dispenser.

Posted on Aug 06, 2010

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YOU MAY NEED TO CLEAN THE FILTERS MORE OFTEN
IF YOUR AREA HAS HARD WATER
This can cause low water pressure.
In hard water areas, it may be necessary to clean chemical buildup from the filters every 12 to 18 months. To do this, remove the coarse filter by squeezing the
tabs and lifting it out. Next, unscrew the fine filter and lift it and the main filter out. Wash all three filters gently in hot, soapy water and rinse them thoroughly.

Your spray arms may be clogging causing low pressure too.
Spray-arm jets and bearings may sometimes become clogged with hard water chemicals. To remove the spray arms, screw off the nut and take off the washer on top of the spray arm and lift off the arm. Wash the spray arms in warm, soapy water. Use a soft brush to clean the jets. Rinse thoroughly and replace.

Try cleaning the drain pump so it gives you more water pressure.On occasion something may get through the filters and into the drain pump. The drain pumps on ASKO dishwashers are designed to automatically reverse if anything should get caught in the propellers, thus ejecting the item back into the sump area or down the
drain. Should you need to remove an obstacle from the drain, first turn the power off then remove the filters . Next, lift out the small black insert
from the sump area. (You might want to remove any standing water first.) You can then look into the sump area for the item causing the obstruction. Should you
find something, simply scoop it out. Be sure to replace the black insert before you put the filters back in.

You could also try to clean the dishwasher with ' Dishwasher Magic '. This would work like charm :-

http://www.dishwashermagic.com/

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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