5 Star Service
The Fibaro Universal Door & Window Sensor is behaving strangely or can't be included / excluded from the Z-Wave network.
This particular device can be quite tricky to install and configure. Re-setting it beforehand can help.
Re-set the device using the following steps:
The above steps are a clearer version of those listed in the device manual
Once the above process has been completed, it should be easier to include or exclude the device!
APNT-38 - Adding the Fibaro Door/Window Sensor shows how the device should be added to the Z-Wave network