The green light will be for the cellular connection anything but solid would indicate it still needs to connect to the local cell towers. The blue light will indicate if it has established connection with the GPS satellites in the area. The red light will be solid when CAN bus data is flowing to the device.. Functionality GO8 ® Devices (and earlier) . GO9/GO9B™/GR9™ Devices (1st install) . GO9/GO9B/GR9 Devices (after install) . Visual (LED) Red LED - ON when ignition is detected.; Blue LED - ON when GPS connects.; Green LED - ON when cellular network connects.; Different LED patterns, refer to the Visual (LED) Notifications section.. Same as GO8 and earlier devices.

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The red light flashes on a GO unit when it's doing it's first time start up process. If the red light stays flashing for a long time (10mins+) then it's likely that the GO unit is failing it's initial firmware update and you'll need to raise a case to Geotab Support.. Thank you for asking your question in our community. I apologize for the delay in answering your question. The three lights on the device symbolize the following: Red light: engine data is connected . Green light: cellular service is connected . Blue light: GPS satellites are connected . Please reach out if you have any other questions.