STATUS LED

Sensorbee Air Cellular Lite and Pro

The status LED, visible from the outside and located at the top-right corner of the unit's base, serves to indicate the current status as well as any potential errors.

General LED Status

The following table contains the general color codes that are used by the device.

Color	State	Short Description	Description
Green	Solid	Booting	When the device starts, the LED will be solid green until it begins connecting to the network.
Blue	Solid	Connecting to network	When the LED is blue, the device is attempting to connect to the network. The LED will turn off once connected.
Green	Blink once	Registered to the LwM2M server	After connecting to the network, the LED will blink green for 1 second to indicate successful registration to the LwM2M server.
Green	Blink 5 times	Device is rebooting	If the LED blinks 5 times, the device is rebooting.
Purple	Blink	Connecting to bootstrap server	The LED blinks purple when the device is trying to connect to the bootstrap server.
Purple	Solid	Bootstrap complete	Once the bootstrap process is complete, the LED turns solid purple. The device will then try t to connect to the server provided by the bootstrap server.
Red	Solid	An error has occurred	An error has occurred during boot up or when trying to connect to the server.
White (Very Light Blue)	Solid	Device is in menu mode	The device is currently in menu mode and will not run its normal program until the USB cable is disconnected and the device is restarted.
Red	Blink every 10 seconds	Device is in deep sleep	The device is currently in deep sleep waiting for the battery to be recharged to a certain threshold.

LED Status During Shutdown

The following table will describe the LED status when powering off the device.

Color	State	Short Description	Description
Red	Solid	Device is powering down.	The device is currently powering down itself. When completed the LED will be turned off.
Green	Blink	The powering down process failed	If the device starts to blink green after the powering down process has started, this indicates the powering down failed. This is because the external power is still connected to the device.

LED Status During Menu Mode

Color	State	Short Description	Description
Light Blue	Blink	New firmware is being transferred	When the LED is blinking in a light blue color, it is currently receiving a new firmware via XMODEM.
Light Blue	Solid	Firmware transfer has been completed	The LED will turn solid light blue once the transfer has been complete. After 10 seconds it will reboot itself and start the final step of the firmware upgrade.