@Malathan - what SmartApp are you using? I’d like to look into this a bit.
One thing I’ve noticed is that I have a LED light bulb connected to a dimmer that will not light when set to below, say, about 15%. If you light it at 20% and then dim down to 10% or even lower, it works fine. I don’t know if this is a function of the dimmer or the bulb . … but I’m curious.
I’m wondering if the standard SmartApps would benefit from some LED-specific functionality to address the fact that the dimming response is different and there may be starting issues with some. the dusk-to-dawn app I wrote addresses some of this in the code.