Remove one alarm from the mounting bracket and check date of manufacture printed on the back. If dated 2012 or earlier, the alarm needs replacement. Continue checking alarms on site as many buildings had alarms installed in all units at same time.
Alarm “chirps” 5 times with 5 Green LED flashes once per minute. These chirps will repeat even if batteries are replaced.
BRK alarms in 2012 were designed for 7-Year end-of-life. The states highlighted in blue adopted CO legislation in 2012 and will be experiencing the end of live "chirp".
To stay up to date on all legislative requirements, click here to view the interactive legislation map.