I have the AF-Pilot along with the Tru-Traks AutoTrim module. When I engage the autopilot, while in level flight, by pressing the AP button, it will begin applying down trim after a delay of @ 2 secs. If I don't hit the auto-pilot disconnect quickly, it will apply full-down trim as fast a the trim servo can go. What would cause it to think it needs to apply so much trim in level flight?

There is a pot on the autotrim module to adjust sensitivity. Will adjusting this counter-clockwise slow down the trim? It is currently set a factory default as I have not made any adjustments to it.