Electric fan runs all the time

In my case no, all of my settings are saved when the battery is disconnected

I agree, it holds the settings with the battery disconnected.

I’m sure at some point if it sat long enough they might have to be re-entered, but I know I’ve left my battery switch off for days and even weeks at a time and the settings held.
Thanks guys. Much appreciated. I'm building my car to be NHRA compliant and since my battery is relocated to the trunk, it requires a cutoff switch that "must stop all electrical functions." I was wondering whether I'd have to reset the controller every time the kill switch was thrown. Not the end of the world, but it's good to know that may not be the case.

Sorry for the thread revival confusion by the way. Sometimes it's easier to just respond to a current thread when researching a topic, than to start a new one.