The Base Station status indicator light is an excellent source of information when it comes to troubleshooting. The table below outlines the different information that can be conveyed by the status indicator:

Solid blue light Base Station is online and in service
Rapidly-blinking blue light Base Station is in registration mode
Solid amber light Base Station has no assigned user
Blinking amber light Base Station has not booted up
Blinking red light Base Station is attempting to connect to your network
No status light Base Station does not have power