Okay I think I got it - was reading about issues with the Aeotec Recessed Door 7 and the recommendation there was to press and hold in the button to "wake it up". I did this and it started working. Note: had to play around and press and hold multiple times but finally got it to respond.
Will play around with it a little before considering this a resolved issue - still don't like the SO pairing though but am kinda stuck with it for now I guess.
@douglaspitman - is there some sort of button on the Window Sensors? Maybe pick a non working one and press and hold with it closed then maybe open, in the devices hit configure/save. Might have to play around with it or maybe it just wont work but might be worth a try.
