Question about Asko Dishwashers
Hi and welcome to Fixya. It sounds as if you have a direct connection to your plumbing vs an air gap Drain installation. The air gap is supposed to prevent a diswasher from doing exactly what your dishwasher is now doing.
If you do have an Air gap in your dishwasher drain it is clogged and there for instead of preventing back flow into your dishwasher it is acting like part of a sealed system. (I would not be happy with the end product of the plumbers visit for sure!)
Here is a typical Air gap installation:
Another how to on cleaning the air gap:
It will be located either on the counter top or the back of the sink but not far from the sink. It can be plastic or chrome in appearance.
Close up diagram
At the moment I am sticking with a clogged air gap as the prime suspect. They are easy to clean... pull off the upper cover unscrew the plastic inner nut and remove the raised piece... (NOTE the installed position of the raised area because if you put it back wrong it will be like installing a drain plug in the drain line or can cause your dishwasher to **** water from your sink!)
Usually if the air gap is clogged you will see it right away. I have in the past come across a few that it took sacrificing a coat hanger to clear the clog.
The reason your dishwasher is able to **** water from your sink is because the drain system is sealed vs vented. When the motor run for the wash cycle it is running in the reverse direction as when it pumps out / drains on MOST dishwashers.
I am pretty sure if you follow the Air gap cleaning / clearing procedure above you will no longer have problems.
Feel free to respond with further issues or updates here and I will do my best to get your dishwasher performance back to normal. Thanks for using Fixya.
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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