I would suggest try this app. I found it fixes weird problems on my system.
it goes and "finds" all the zigbee devices and seems somehow in this process fixes them!
give a try .. it might work for you too.
As weird as it sounds .. I use it to "fix" zigbee network when i reboot ect.
sometimes after reboot .. a lot of the devices stop working.
I use the map tool .. and it goes and find everything .. and they start working again ..
No idea why this works but seems to
