this is my first time so I hope I'm doing this right.I hv a 450 v2 hausler heli and I can't seem to program the esc on it. what is happening is when I go to spool up and flip the throttle switch off... the blades start turning at a high rate of speed. Even though the throttle stick is all the way down. I've looked at other ways to program the esc but to no avail. What should I do to fix this problem ???????