Krups ea9010 Water in the brewing group

Hello,

I am desperate, because my Krups (about 4. years old) is causing problems. About 1 year ago the flowmeter and the strainer were clogged. Now I have the problem that after the coffee brew water splashes to open and the water remains for some time in the brew group. In addition, the coffee tastes bitter lately and the crema evaporates quickly.

When switched off, the water in the brewing group drains off excellently (have added cold water with a syringe). I have also done several rinses and cleaning with tablets.

The condenser is also not clogged (I cleaned it) and I have already removed and rinsed the drainage valve.

Made a video where you can see the problem.

https://drive.google.com/open?id=1DfwHGt31WqoZ9SBqeotJOlyLIFyYFKBp

https://drive.google.com/open?id=1oqs4FsjUhpFwLqdkXwrdZOE37apt68xD

Is there already a solution for the non-draining water in the brewing chamber?