Mains powered Alarms - The Green LED is on when the mains are connected. (Note- It may take up to 1 minute to indicate that mains power has been connected). In normal mode the Red LED(s) will flash every 48 seconds to show correct operation. (NOTE: The Red LED flash is low level illuminance on some alarms and confirm operation by test button if in doubt). When detecting, the alarm will go into ‘Alarm Mode’. It will sound the alarm signal and the Red LED will flash rapidly.
Battery powered alarms - In normal mode the Red LED(s) will flash every 48 seconds to show correct operation. (NOTE: The Red LED flash is low level illuminance on some alarms and confirm operation by test button if in doubt). When detecting, the alarm will go into ‘Alarm Mode’. It will sound the alarm signal and the Red LED will flash rapidly.