A solid red light indicates that the batteries are low on power. Read the user manual to be more sure about your fire alarm. Either it’s running on low battery or it needs to be replaced. Scenario-5: Fire Alarm Flashing Red & Greenįlashing both red and green lights means there’s a problem with the fire alarm battery. To be more sure you can check the user manual. But there are some fire alarms that indicate just the opposite. It could blink right after 30 seconds or 45 seconds or 60 seconds even. Because generally, it means the detector’s alert has been activated and working properly. Your fire alarm flashing red LED once every 30-60 seconds is very normal. Scenario-4: Fire Alarm Flashing Red Every 30 to 60 Seconds Also, test the smoke detector batteries from time to time for corrosion. Without the battery, your fire alarm unit won’t work properly. It doesn’t simply mean that the battery is low rather it is in bad shape. Scenario-3: Fire Alarm Flashing Red Every 15 Secondsįire alarm flashing red light every 15 seconds means the battery needs replacement. You can contact your local fire department to conduct a fire alarm inspection. Also, it’s a much-needed procedure for any establishment. The inspection cost of fire alarm isn’t much. As for internal malfunction, the wirings and the internal components have to be checked. In some fire alarm models, this indicates the alarm is temporarily in a desensitized state. But depending on the fire alarm model the reason could be different. When your fire alarm blinks red 10 seconds intervals, it primarily indicates an internal malfunction. Scenario-2: Fire Alarm Flashing Red Every 10 Seconds But they do need battery replacement every 6 months. The same goes for any alarm that’s hardwired into your house’s electric system.Īfter 10 years of use, fire alarms cross their expiration date. But look for any loose connection in the wires.įire alarms like these need to be replaced after 10 years. If the fire alarm is lithium powered then there’s no need to change the battery. Check the battery expiration date and replace it if needed. These batteries only last around 6 months. Most fire alarms are powered by a 9V battery. Some fire alarm makes chirping sound rather than beeping when it’s running on low battery. Scenario-1: Fire Alarm Flashing Red Every 5 Or 8 Secondsįire alarm is flashing red every 5 seconds or 8 seconds refers to low battery power. Now, let’s discuss each scenario in detail. 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. As technology is progressing so are our modern fire alarm devices.
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