[ozrien]

So that means the Talons are being command to zero throttle. Either the mode is not correct or it's following the wrong Talon or the Master Talon isn't present on the bus.

If you use the self-test you can check the mode of the followers to confirm they are in slave follower mode. (section 2.4 in Talon SRX software reference manual).

Double check the Set() calls to your slave Talons. Remember the Set() is used to specify the master Talon ID. (section 9 in Talon SRX software reference manual).