Official comment
This post was closed for comments in 2016 but I have the same fault with the latest Rekordbox software (uptodate as @ April 2020). I have triple checked all the settings and fault is intermittent. Exactly as described by people in the post.
Post is closed for comments.
Which post?
It has exactly the same title as this one. I pasted it. I can find it again and paste the link if you like. I’m using a ddj 400 but the fault occurs with or without it plugged in.