Quote:
Originally Posted by mastachyra
Could it be as simple as crossed polarity on the power to/from the motor controller? I recall this happening before.
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Yes. We've found that even when disabled, if you short a motor controller output together or to ground on the frame it can cause spontaneous motion on any of the other connected speed controllers. That was a rather scary 'find' as our head mentor was walking by a can whip when it came down in front of him at full speed.