Check out
Victor 884's Guide. There is good information on how to troubleshoot the speed controllers.
Check the light on speed controller for pwm 1. If it doesn't come on I would check to make sure you have a fuse in the right spot on your fuse board and check the trim on your joystick. If it is flashing orange (when robot is enabled) it means that the Victor is not receiving a signal from the PWM's; check your PWM connections. Are they in tight? Are they in the right way?
If all that checks out ok then push your joystick full forward. The light on the Victor should turn green. Then go full reverse; light should turn red. If you are getting this and the robot is not moving then check your motor connection and check the voltage at the motor(s).
Hope this helps!
Any controls people out there, feel free to correct any of my mistakes. My heart is in the mechanical side of things.