2 strong disappointment

I have received this afternoon the carpet midi.Je have it mounted although the manual is in English good bref.J'ai 2mn walked on and suddenly there was a loud noise of a short circuit and smoke s escaped the button on / off.Plus nothing works !!! This is already happened to someone on such a product or another ?? I asked for a return ticket, it goes t he brought these fruits I ?? I would like the society the échange.Cela can come out of the watt overload my power ???? thank you to provide me your valuable advice for my morale is low !!!