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Victor failure question--Can power from motors cause them?
Our 2006 robot which we now use for demos and practice has 4 failed Victors, all of them powering the drive CIM motors. Three of the blown Victors have output in one direction only, and one has no output at all. The lights on all of them respond normally to PWM inputs.
Here's my question. Is there any possibility that power from motors acting as generators when pushing a robot can blow up a Victor? It's possible that these failures were caused by metal chips, "abusive" driving, or other things, but it is very unusual to have four failed Victors on the same robot. Of course, we don't know when each of the Victors failed, because in the robot's post-competition life, we might not know if we were running on one motor per side.
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Team 45, TechnoKats, 1996-2002
Team 1062, The Storm, 2003
Team 233, "The Pink Team," 2004-present
The views I express here are mine, and mine alone, not those of my team, FIRST, or my previous teams.
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That inspector needs their hard drive wiped and the common sense upgraded from version dingbat 1.0. - Andy Baker [more] 
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