69-1513EF—01 16
Red LED/Beeping Action Meaning
Flashes once every 30 seconds. Normal operation; alarm is powered.
Turns on for 2 seconds and off for 3 seconds with 4
short beeps for 1 second and 5 seconds of silence.
Alarm condition; alarm is sounding.
Double flashes and beeps once every 30 seconds. Trouble condition.
Beeps (chirping sound) once every 30 seconds for
7days minimum. Low battery; battery needs replacing.
Reset (silence) after alarm sounding when push and
hold test button for 3 seconds to silence alarm for 4
minutes.
Silence after alarm condition; detector
sounds again after 4 minutes until unsafe
CO concentration is reduced.