1 If a fader is left on when the console is put into hibernation mode the light will stay on.
2 When the power is disconnected and the console restarts and all the faders are down a light will come on in the rig and follow the colour changes on the console as it starts up.
Hi,
I have a 20 as well and whenever the console is turned off, our Colorsource pars will turn on and stay on.
Like jbehrle mentioned