I think it’s some kind of hardware compatibility issue between the occillating fans and the controller. The fan works fine when unplugged from the controller. You just have to adjust the speed with the button on the back of the fan. I am not running a grow at the moment and plan to call
ac infinity about this issue before I start my next grow. I’m sure they are aware of it. They just released a firmware update for the 69 wifi pro which is what I have. I haven’t let it install yet because I want to test it when I do to see if they fixed this issue before I call. Got like 4 of them and a couple 67’s.
Supply fans and humidifiers work great on the controllers. No issues with those.