
It’s either telling you your unit is on and working correctly, connected to AC power, or operating on battery power. Either way, the green light is usually a power source indicator of some kind. In others, it’s a warning that your battery is getting low. Is It Normal For A Smoke Detector To Blink Green?Ī blinking green light on a smoke detector is perfectly normal for some models. When you see that green light give the appropriate signal, you know it’s time to change the battery. Instead, it’s part of a status alert and warning system to ensure your smoke detector can do its job.
The critical thing to note is that a blinking green light on your smoke detector isn’t usually an alarm or malfunction. 2-in-1 Protection (Smoke + Carbon Monoxide)
