Hi Guys, So I fired up my MoVI M5 after having not used it for several months. When I turn it on, it kind of jerks and does a high pitched frequency hum. The hum gets louder if I touch any part of the main section where there power button is clear up to where it attaches to the handle. It also sounds like it's grinding when I turn it completely to the right when powered on. If I power it off, there is no grinding at all -- it's completely smooth. It hasn't been dropped or hit whatsoever so there's no damage to it. I've reset to factory settings and then set to AutoTune and it still does it. Ideas and advice appreciated! Thanks!