after a week broke up inside the unit a nut or bolt, it can be heard unambiguously to a klackerndes sound when you move the device - which went back immediately for a quality .... unit.
The new floor is also a disgrace, although I do not believe that anything could happen.
We wanted to replace the same model that has made us good service for 13 years, the way that time made in France and still GS-tested!