Kidde Smoke Alarm Flashing Red Every 5 Seconds - Yesterday Was Beautiful Commonlit Answerspost Versions This light code indicates that the alarmโs battery is running low and needs to be. Why is my kidde alarm blinking red? A blinking red light usually means the alarm has detected smoke or carbon monoxide. How often should my kidde alarm blink red? When a smoke detector starts blinking a red light, it can signify various meanings. It could indicate a low battery, malfunction, smoke or fire detection, interconnected alarms,.
Yesterday Was Beautiful Commonlit Answerspost Versions