If it's brand new then I would send it back right away. On the UM2 the build plate moves with a bit more force then the movie clip implies but it still moves. Something is seriously wrong - rather annoying for a new machine.
Thanks Guys, this confirms what I thought that there is something badly wrong.
I think you are right returning the printer is the best option as its under warranty.
Our last 3D printer we built so its very tempting to start taking it apart and trying to fix it. The machine looks really well made and I loved the lights that came on , can't wait to get a working one.
Depends of course if you want to figure it out yourself... Personally, although I'm curious about finding the source of an error usually, I would return it as it is unused. If such a problem happens later on after having successfully printed for some time situation may be different. Don't spoil your first experience with the printer... as I can see you already checked the most obvious things yourself.
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