Bleu Station Series 200 includes a two-color LED light to indicate different operating modes and status. This documents describes the different 

Long blue flash: Admin Mode

The LED flashes with a blue light, with the LED is illuminated for three seconds, and off for one second. 

Short blue flash: Deployment mode.

Station is broadcasting iBeacon information.

Solid Red: Connected.

Station is connected via Bluetooth, usually via Bleu Setup.

Blue and Red (purple): Self-test.

Alternating Blue and Red: Error. Power-cycle to reset.