AEG CG6400 - great equipment, but modest quality

Have this machine bought 2 years ago with another provider instead of an identical DeLonghi.
First Impression:
+ Very extensive facilities
+ Easy operation with pot possible. Here's a unique selling point under the coffee machine.
+ Easy operation

o coffee quality taste. According to my taste is not better
or worse as with other fully automatic and pad machines.

- Loud operation during milling and coffee.

- Designed atypically for fully automatic and built-in vulnerabilities such as Rotary, etc ..

These potentiometers (knobs on boards) were despite cautious approach within the warranty period defective 2 times and 3 weeks after guarantee / warranty expiration (after a total of only 1260 coffees or) again faulty.
Is it the Italian workmanship or the AEG-specific adjustments (structural weaknesses) in the machine?
Repairs should then cost 195. No goodwill.

We had before this fully automatic seven years a Krups Orchestro dialogue (= JURA) and all without problems.
So we can not recommend this device. Too bad: o (