The Graef support is also not very helpful. Since I do not live in Germany, I was referred to the Spanish customer service. After this responded to any of my emails, I support the German re-contacted with the request to send me the defective part. I was referred back only to the Spanish support. Seems to be quite difficult to put a plastic gear in the post ...
The machine moves now in the disposal and will be replaced by that of any other manufacturer. Can only get better.
