In addition, a chirping or beeping noise may be heard. Many First Alert smoke detectors have an LED light, which blinks red when the batteries need to be changed. See also How To Stop Smoke Detector From Chirping Without Battery 1. Blinking red lights are fairly common in smoke detectors, and it should be easy for you to discover why yours is doing the blinking. The red light is actually a safety feature that tells you the battery needs replacing. First Alert Smoke Detector Blinking Red – Troubleshoot And DiagnosisĪ blinking red light on a smoke detector can be alarming, but never fear - there’s usually nothing to worry about. While you may think there’s something wrong with the device, it’s actually a sign that your detector is functioning and protecting your home from fire. Still, many homeowners are confused as to what causes the blinking red light. There isn’t much to know about smoke detectors, as they are fairly straightforward devices. A First Alert smoke detector that is flashing red might also mean that you need to clean it, or that it is so old that replacement is necessary. While this can happen with all smoke detectors, it’s more often the case with First Alert smoke detectors, since they are known for their exceptionally long battery life. If your smoke detector is blinking red, it means that the batteries are low.
Many people have no idea what it means when their smoke detector is blinking red - in fact, the First Alert website itself isn’t entirely clear about the issue. Blinking red can mean a few things in different situations, so let’s learn what causes a smoke detector to blink red and beep, and whether you need to take action.įirst Alert smoke detectors are essential for protecting your home, but they can still be difficult to understand. So, when your smoke detector begins to blink red and beep, it’s important to know how that phenomenon is connected to the device’s functionality. Smoke detectors are responsible for protecting families and businesses from fire. This post will help you troubleshoot and address any of these issues.
If you have a First Alert hardwired smoke detector, the red blinking light indicates one of several issues: power outage, low battery, or weak or missing signal.
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