iRobot 380t User Manual

Page of 28
global.irobot.com
9
 
4
Blue blinking light:  Power on, broadcasting signal
Blue solid light:  Power on, connected to Braava
Red solid light:  Batteries low
5
5
Blue blinking light (1):  Establishing connection
Blue solid light (1 to 3):  Locked onto NorthStar Cube
NorthStar Connection
Navigation System Indicators 
Blue lights flashing in sequence:  Thinking
Blue lights flashing with pause:  Sleep mode
Red light in middle:  Error*
Other States
NorthStar
®
 
Navigation Cube Lights
4
The number of lights indicates the strength of Braava’s connection to the navigation system,  
with 3 being strongest. If there are no lights, Braava does not detect a NorthStar signal.  
*
See trouble shooting section for more information.