![]() Bad InstallationĪ lack of power is one of the most frequent causes of a blinking light on your smoke alarm. If the battery is low and the red light continues to flash, you should replace the battery. This only applies to smoke alarms that require a hardwired connection, so you have nothing to worry about. The blinking red light on a faulty wire smoke detector typically indicates that the power to the fire alarm has been cut off or that the battery needs to be replaced-standard on most models with a hardwired battery warning beep. If the alarm continues to sound after you replace the batteries and the system is out of dust and debris, it is time to call in the experts. There is a chance that the sensor detects lingering smoke in the air.Īdditionally, you should consider a battery replacement. Several potential causes for a smoke alarm to continue to sound after you ventilate the area. Please consult a licensed electrician regarding this. If replacing the battery does not resolve the blinking light, the detector may need replacement.Ī blinking light on a hardwired smoke detector may indicate a wiring problem. If you don’t insert it fully into the spot, remove and replace the battery if you have attempted to reset the device.Ī second scenario is that the smoke detector is malfunctioning. This will occur if you don’t install the battery properly, such as by inserting the positive pole first. One way to determine functionality is by installing new batteries and conducting a test.Ī loose or improperly connected battery could flash red on your smoke alarm. Typically accompanied by an audible beep, a blinking red light may indicate low battery power. ![]()
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