Blinking white - The device is booting up or shutting down.
Solid blue - All systems normal.
Blinking yellow - The device is ready for setup.
Solid yellow - Bluetooth connection has timed out, press reset button for 5 seconds to reset. Shortly after, the LED will return to the blinking yellow state for setup.
Blinking red - System error, power cycle, and try again. You can also check from Amber X OS Control Panel > System Logs to get more information.
Blinking blue - No internet connection detected.