[Al Skierkiewicz]

Originally Posted by Alan Anderson

Along with the other good suggestions, make sure to double-check your wiring. I've seen a robot do exactly what you describe when the motors were accidentally cross-wired to the two speed controllers. Look closely and be absolutely certain each Victor/Talon has the output going to exactly one CIM.

This occurs more than you think. You can check by pulling the breakers for two of the motors. Then check direction and then repeat for each motor in your drive. I suspect you will find one of them going the wrong direction. That event will cause a breaker trip.