You never said what the messages you set up on the controller.
There are multiple ways. Here’s one way:
TF MIDI CC Parameter Control Knob for speed (KB8) has properly assigned [MINVAL], [MAXVAL], when setting up MIDI on that destination, use left footswitch to toggle MIN/MAX VALUE assignment and turn the knob til it displays the furthest value. If the other options work on the controller side, I assume you just need to double-check your work/programming.
It could also be on the controller source side, probably should check its sending a max value of 127 (or min val 0) to that controller/knob (KB8)… should be on CC#30/KB8 if TF is still in its default mapping.
