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Unread 02-12-2018, 06:00 PM
SMC SMC is offline
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Talon Sr blinking yellow or yellow/red

The Talon SRs on our bot are blinking yellow and a few are blinking yellow/red. We're using java but we tried building the default labview code and that worked-ish. The yellow blinking ones worked, but the yellow/red ones didn't with labview. Probably going to crosspost this to the programming forums but we're pretty stuck so any ideas are appreciated.
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Unread 02-12-2018, 06:08 PM
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Re: Talon Sr blinking yellow or yellow/red

Here is a link to the users manual..

Looks to be a few things.. perhaps the Talons were not given different ID's?
CAN terminations? Calibration?

Go through the troubleshooting portions..

TALON USERS GUIDE

Good Luck..

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Unread 02-12-2018, 06:42 PM
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Re: Talon Sr blinking yellow or yellow/red

Hey there!
Electrical lead for team 2374 here. We've been working with talons for the past two years, and we've encountered a fair share of LED issues.

First, YELLOW blinking lights are the normal status. They mean that the talon a. Has power b. Has signal.

Blinking GREEN means the talon has signal to run forward, blinking JUST RED is reverse.

If it's blinking RED with quick YELLOW, that means "internal damage", which sounds scary but isn't unless you run it for a very long time. Something was probably plugged in wrong, or you have a short somewhere in the circuit. Check for checkerboarded wires, and then look for shorts in your signal wires, then look in your RoboRIO for a red power light. If you have a red power light you have a short somewhere (most likely), so vacuum over your roboRIO to suck out any metal shavings. (I recommend doing that anyway to clean everything out!!)

If you're still having issues, I recommend checking your circuitry with a multimeter to make sure you don't have shorts elsewhere.

I hope this helps!
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Unread 02-13-2018, 10:30 AM
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Re: Talon Sr blinking yellow or yellow/red

Your Talons most likely have the same device ID's. If you go into internet explorer and open the roborio go and change all the Talon ID's. Also they all won't show up because if they're new they'll all be zero so you have to refresh after numbering the Talon each time.
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Unread 02-13-2018, 01:00 PM
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Re: Talon Sr blinking yellow or yellow/red

People seem to be missing that this is a Talon SR problem. Here is the manual for the Talon SR's.

Section 5 has the information you are looking for but I'll summarize it. Blinking orange means it's fine, but the bot is disabled or not receiving a PWM signal.

Blinking orange and red means:
1. It is not receiving enough voltage (less than 3.3V)
2. It is over temperature (over 170 degrees Celsius)
3. A transistor is shorted

If you test the first 2 and they are fine then chances are the Talon is damaged and you should replace them unless you have the materials and the know-how to repair it.
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