Fire Alarm Flashing Red Light Time Interval Reason 5-8 seconds Low battery 10 seconds Internal malfunction 15 seconds Needs battery replacement 30-60 seconds Working just fine So, we’ve listed such cases and explained them in detail. Knowing them is important for fire prevention. Depending on the time interval of the light flashing, you can figure out the hidden meaning. It’s a feature that’s shared by almost all fire alarms independent of their manufacturer. It also uses this LED light to give warnings regarding device issues. Rather it refers to the condition of the device’s internal system.Īlmost all fire alarm brands use a blinking LED red light to indicate its activation. Let’s begin! Why Is The Fire Alarm Flashing Red Without Any Sound?įire alarms blinking red lights without making any sound don’t refer to a fire emergency. So stay with us to learn in detail about them.
We’ve got more explanation of this case for you. 30-60 seconds interval means it’s working just fine. 15 seconds interval refers to the battery needing a replacement. If it blinks every 10 seconds then it’s due to internal malfunction. The fire alarm flashing red for 5-8 seconds indicates that it’s running on low battery. Otherwise, these new signals might confuse you.įor example, you may wonder why the fire alarm flashing but no sound is heard. As a homeowner, it’s important that you’re familiar with them. Fire alarms are being integrated with new features. Other models also have a yellow light which will be on if the battery is low or a sensor is starting to get plugged the yellow light comes on prior to the chirping, which of course means the batteries need to be replaced.As technology is progressing so are our modern fire alarm devices. Smoke detector manufacturers often inject a fire retardant bromine into the plastic of residential smoke detectors. Often the yellowing of a smoke detector is an indication of age and not buildup of cigarette smoke, dust, or grease. What color should my smoke detector be blinking?Ī smoke detector blinking red could mean: It's Working Properly: Some brands use an occasional red blinking light to indicate the unit is working properly. 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. What does it mean when a smoke detector blinks red and green?
The LED will flash along with the alarm sound.
Green is normal, yellow means to have caution, and red means to be alert and in a state of emergency. These colors signify the urgency of the situation.
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