Remove the saturation and dead zones in your pedals. Pedal work must always be instantaneous and a proportional to your actual leg work. The pedals must be adjusted quickly and smoothly in response to your collective adjustments.
Remove all dead zones and saturation from your collective, this is a simple linear adjustment that does not need any curves or saturation.
It does sound like a pedal assignment conflict to me.
Rogue Trooper's post in Helo rotates right on takeoff I use left rudder....BUT no left rudder on takeoff was marked as the answer