[FTC]: Motor Controllers Acting Weird
 

Hey Chief Delphi,

Yesterday, we came across a problem with our DC controllers. Two of our motors, which were connected to the same controller, suddenly stopped working, and so did the other controllers that were daisy-chained to that controller. All of the connections from the motors to the controllers were working fine.

We were able to fix the problem when we switched the ports of the NXT cables at the top of the controller. We don't know why this worked at all, though.

What could be causing this to happen? Is there any way to prevent this at all? All help is appreciated.

Thanks,
Charging Champions

Re: [FTC]: Motor Controllers Acting Weird
 

Perhaps one of the NXT connector cables had become loose, and by swapping them you cleared the problem.

Also, we have found that metal debris (dust) in these connections can easilly cause loss of comms. This may have als been cleaned out by moving plugs.

so I recommend keeping any unused openings covered (with tape), and NEVER do cutting or filing with the electronics uncovered.

Kids eyeroll when I complain about uncovered electronics during metal working but you can only say it doesn't matter if you've NEVER had a sensor glitch.....

Phil.

I've worked with several teams at competitions where sensor lockups have tied DIRECTLY back to debris discovered in those phone jacks.

Re: [FTC]: Motor Controllers Acting Weird
 

Thanks for responding.