What is the meaning of each LEDs colors?
A Notification is a combined Chest Button LED indication and a spoken message.
There is a Notification if the Chest Button blinks, whom importance is defined by the colour.
- Green: Information
- Yellow: Warning
- Red: Error
Press the Chest Button once to hear the message.
Make sure NAO's volume is high enough. Refer to the How do I change the volume of my robot? article to find out how.