There could be a few reasons.
1-Make sure you have selected the proper channel number for the track you want to control. Wave Rider requires manual selection of the channel number, it will default to channel “off” when inserted.
2-Make sure you have not suspended automation in Pro Tools, and you have auto enabled Volume controls, and put the track on LATCH mode.
3-Please check out the following question to see the difference in HUI behaviour along with other types of external controllers.
