Right so here is a problem:
SOMETIMES (rather sparsly but still enough to warrant me bugging Fibaro about it) RGBW makes phanthom associations for no bloody reasson.
It happened a while back and only replacement of specific RGBW module seemed to help that was in pre "100" era tho.
Most recent case i have are 2 RGBW modules (v 2.5) running on same HC2 4.100, reading tempriture and humidity via IN1 and IN2.
Confirmed at least one of them caused it (once disconnect