Having problems with a Orion 2612 servo(ORI68012). I just purchased this used from a fellow rctech member and only got about a lap around the track when I immediately noticed something wrong. Once the servo is run for a minute or so it slows drastically, then you slowly lose all steering. Once you let it sit for a couple seconds and try to steer it works for a brief second then goes back to non-functioning. I've already tried another servo in its place and works pefectly fine. Is the servo no good?

Kyosho RT5
Servo- Orion ORI68012
Radio- KO ex-10 Spektrum
esc- R10 Pro
Motor- Orion Vortex Pro 7.5

http://vid464.photobucket.com/albums...psmcox67ru.mp4