Traktor decks move on their own

[Bdubz]

I'm using Traktor Scratch Pro 2 with control vinyl and for some reason my decks A and B move by themselves even if the needles aren't on the records. The track also internally skips while i'm mixing. Very frustrating while playing out..

Any ideas?

[dubplatsa]

The music is high when this occur? I have a friend with the same problem, but it only occurs when he play on very high volumes - I think that he's capsules + needles are too old and problematic, and the air vibration is understood by Traktor as timecode signals... Try to tighten the shells cables, and verify if the needle is firmly inserted on the capsule.