Removing the glued Hansgrohe Xtrastoris trash bin from tile

Hello experts,

maybe you can help me.

My incompetent tiler tiled our bathroom. My mother had bought the above-mentioned Hansgrohe trash can Xtrastoris. He was not supposed to install it yet because the electrician and plumber still had to get into the trash can hole to lay the electrical wiring and water pipe for the toilet. But he did it anyway because he wanted to get back at the electrician - since then it has, of course, been inaccessible.

Hansgrohe was there and said it was installed incorrectly. He apparently glued it firmly on the left and right (I don't know about the back) with tile adhesive. The adhesive was Sopro FKM 600.

How can we remove the trash can without damaging the tile? We have already tried various thin long, sharp knives and saws, but nothing helped. It somehow has to come out.

Best regards Knut

Difficult. I would try to make a cut joint around the affected tiles and use a multitool to loosen them. The adhering residues must then be sanded off. Lots of work. If not everything has been paid yet: withhold the money.

can you recommend a multitool?

I haven't compared much there. My cordless tools are from Metabo. Their multitool works well and I also find it handy. Others will certainly be able to do that too.

how do you do that then or what would you recommend, which essay etc?

I would decide that on site with the instructions. Probably a segmented saw blade for cutting into the joint, one of the scrapers for loosening.