Currently the thermostat is in malfunction. To resolve:
Clear the TSTAT from the network.
Add it to the network
Run a Z-Wave Network Rediscovery
Currently the TSTAT is not connected to C-Wire meaning it only runs on battery. It is recommended to connect the TSTAT to C-Wire for power if possible.
Steps on how to clear and add Z-Wave devices from the network can be found here
More information on the Alarm.com T2000 including Installation and Programming can be found here