![]() Your smoke detector blinking red could mean more than one thing. Red Light: The red light can indicate more than just an emergency threat. Basically, the green light indicates that the smoke detector is active. Should smoke alarm light be red or green?Ī flashing green light means that the smoke detector is getting the right amount of power supply. Different smoke alarms use the green and red LED to indicate the device's power status such that a flashing green means low battery while a constant blink means AC power is connected. Be warned that the unit will make a very loud piercing sound however, after you've pressed the button. If the blinking has begun due to a power outage, for instance, you need to locate and press the Test/Silence button or a similarly labeled button. ![]() What does a green light on a smoke detector mean?įor most residential smoke detectors, blinks are common you need to be conversant with the colors showing. If the light wasn't flashing before and it has recently started, you may need to reset the unit. Consider adding fresh batteries and running a test to make sure it's working. The Batteries are Low: Usually accompanied by a loud beep, a blinking red light could mean the batteries in the unit are low. Your alarm manufacturer may have included a blinking red light to let you know it's time to test the alarm again. What does a red light on a smoke detector mean? The red LED has four modes of operation: Standby Condition: The red LED will flash every 30-40 seconds to indicate that the smoke alarm is operating properly. The green LED (when illuminated) indicates the presence of AC power. This smoke alarm is equipped with red and green LED indicators. What does it mean when a smoke detector is red and green? ![]() ![]() Some alarms have a red or green light that blinks every few minutes, while other models blink rapidly or shine a solid light. What does it mean? This is the power indicator light: First Alert and BRK alarms have a power indicator light to show you that your alarm is receiving power. ![]()
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