Reversed Polarity

[Bill_B]

Originally Posted by Kevin Sevcik

Digikey doesn't have them at the moment, actually. They seem to be out of stock. Along with the rest of the world.

As Daniel says, you're going to be fighting quite an uphill battle trying to repair those. I think you have two options:
1. Beg, borrow, or buy any black or grey jaguars off of teams that are near you.
2. Switch to VexPro Victor 884 Speed Controllers. There's loads of teams that swear by them anyways, and they're $10 cheaper than Jags. If you're not using the advanced functionality of the Jaguars, these will work atleast as well for you.

CD swap shows someone with victors offering them to us. check him out. No jaguars listed, but you could enter a NEED for them if you like. I don't know if we have unused ones in our chaotic "storehouse".

I second the need for determining how to prevent reverse polarity disasters by figuring out how it happened. It's an uphill struggle to convince the team members that I'm not seeking a blame target. It's been rare or absent in their lives so far.

[Daniel_LaFleur]

Originally Posted by Team 4264

Someone screwed the battery cables on backwards and then installed that battery. The power brick started clicking wildly, and then turned it off. Once we figured out what had happened and switched the cables, many of the lights don't work.3 JAgs no lights, 1 with yellow, Crio lights=yes, sidecar lights=yes orange lights on fuse boxes, and fuses are ok. Is it fried or is there a hidden reset? Please reply in rookie speak. =)
Thanks

We did this a few years ago. We fried 3 jags ... and the 4th jag survived just fine. It's a risk to use that jag in competition, and you'll have to decide if it's worth the risk.

[Ether]

Originally Posted by Team 4264

Someone screwed the battery cables on backwards and then installed that battery.

Your team (or leaders) should sit down and figure out how that happened (not to place blame, but to understand), and figure out if there is something you can do to prevent it from happening again (both this year and in the years to come).

Different teams come up with different solutions. Find something that works for your team.