So, the crossfader on my S3 sometimes moves on it’s own (moving left & right very quickly in a small area) when in the all left position. As far as I could see in the support section faders on the S3 cannot be recalibrated (why?). What causes this and is there anything I can do? Traktor 3.5.1 Pro on a 2020 MacBook Air w/ Intel i5 Quad Core.