I'm not exactly sure what kind of "freak out" your Wizard was having. In your video, it seemed like it was cutting pretty normally. Unless what it was cutting was NOT what you had designed, in which case, yeah that's a bit of a freak out.
I just rewatched the video, and it looked like at the very end, the machine didn't cut the window it was supposed to, like it didn't go all the way up to match the one on the right side. What that looked like to me is that the cutter ran out of air. With the amount of cuts it was doing, it seems like it used up the air reserve in your compressor. You may either have a leak in the air supply line, or the compressor itself isn't up to the task of running the Wizard (something likely if you have other equipment, like a v-nailer, hooked up to the same compressor). Might need to look into that.
This is just a shot in the dark, as you didn't mention the EXACT "freak out" you are experiencing. We have had issues that necessitated replacing the gantry, but they were always fixed once the replacement was done. Most other issues with cutting were more from operator error than the machine. At any rate, I think a little more information regarding the exact issue you are having would help folks recommend a course of action. Good luck!