Thanks for your reply, I’ve followed the suggested steps, and especially the 2 factor don’t have this kind of issue when routed in series in the pedal chain; when routed as 2 mono inserts, when I active some fx or move some knobs with TF or MF the green led on it goes on red, seems to me like an overload. I’ve tried as well to change the routing preset of the factor but nothing’s changed.

thanks 🫶🏼