You will need to do a Communications Test after installing the system before you will be able to log in to your Alarm.com Account. Also you will run a Comm Test if you ever need to double check that the system is communicating with the central station.
Step By Step Instructions:
Starting from the home screen click on the gear wheel.
Press the down arrow to scroll through to the last page of the settings.
Click Enter next to System tests.
Enter the default code 1234 and then hit OK.
Click on Comm Test.
Wait a few seconds for the communication test to process.
Once the screen says Comm Test Ok then you are done and you can press Close.