Basics
Terry are some dumb, but basic questions, that you might have or might have not checked.
1. A.T.V. did you make sure you have enough travel?
2. You reversed the Throtle, Why? did it not work before then you reversed it.
3. When you plug in the data Terminal and move the control stick (looking that the screen where you set the throtle) do you see the values changing and do they change in the right direction (will tell you if you need to set the throtle back from reverse.)
Turbulence