@phaedrux
You are correct. I see Active as powered on, even if the temperature equals zero.
When you look at the PanelDue the heater icon is red, again showing me that the heater is powered on.
What do I do when I start using dual print heads? If T-1 only deselects the current head then the other head will stay in standby mode. And if it has a set temperature it will stay hot.
I don't understand why there is not an easy way to turn the heater power off. Not just set the temp to zero. To me this is a safety hazard. Hypothetical if this was a manufacturing setting there is no way a company would allow the heater to stay energized. All it would take is one mistake and somebody could get burns.
Again thank you for you help.