While this powerful upholstery tool was very effective at removing cat hair from upholstered furniture including my microsuede sofa, ottoman and two mattresses, Head stopped working about a month after the two year warranty expired. I removed all the lint and hair from the brush, so that's not the problem. It's clean as new, but even though the green power light comes on when you turn it on, the brushes don't spin. They don't even move. As a pet hair remover for upholstery, it's pretty much…