The front-left LED light can be green, yellow, red, or off. This light communicates the status and activity of the SleepScore Max unit as well as its connection to your smartphone.
A flashing red light means the SleepScore Max unit has not been paired to a smartphone.
A steady red light means Bluetooth® is not paired or the smartphone is out of range of the SleepScore Max unit.
A steady green light means SleepScore Max is paired and ready to begin sleep monitoring when you wish to do so.
A flashing green light means SleepScore Max is in sleep-monitoring mode. This light will fade out 15 seconds after beginning sleep-monitoring mode.
A steady yellow light indicates a firmware upgrade is taking place.