This could be caused by an interruption of service from the cellular provider in the area, a problem with the internet connection a problem with the hub, or insufficient power to the hub. Locate your ...This could be caused by an interruption of service from the cellular provider in the area, a problem with the internet connection a problem with the hub, or insufficient power to the hub. Locate your Building36 Hub (i.e., a white and grey squarish box) or hub36 (i.e., a black box displaying Building36 in green text), and ensure it is connected via Ethernet cable to your router and that the power cable is connected.