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gAxiom · #5 15-05-2013, 12:33

Quote:

Originally Posted by Jon Stratis

First, look at the Sidecar when the robot is turned on. Next to the RSL port is a small LED. What is that LED doing? It should flash in the pattern you expect the RSL to flash when the robot is disabled/enabled.

If the LED on the Sidecar is working correctly, then you know the cRio and DSC are working fine. Check and double check the wiring for the RSL - trace the wires all the way from the Sidecar to the RSL and make sure nothing has happened to it. Make sure you have a jumper correctly installed between La and Lb on the RSL. Try swapping out the RSL if none of the above worked.

If the LED on the Sidecar is not working correctly, there are a couple of things to try. First, if the LED just isn't coming on, try unplugging the RSL and see if that fixes it... a short in the RSL wiring or a bad RSL could cause this. If that doesn't fix it, replace the Sidecar.

Finally, take some pictures! Let us see how things are hooked up and we might see the issue. Figuring some of this out is insanely difficult without being able to see the setup.