CO 21.01 LED light behavior



LED #

Indicates

Blinking every 5 sec

GREEN (constant)

RED (Constant)

LED #

Indicates

Blinking every 5 sec

GREEN (constant)

RED (Constant)

LED 1

Alarm state

Running on battery

No Alarm state

In ALARM state

LED 2

Data connection

Running on battery

Data connection OK

No DATA CONNECTION

LED 3

Battery

Running on battery

Blinking red, unable to upload data because of low battery level

Battery fully charged

Charging battery