![]() If your smoke detector has a blinking red light that flashes every 10 seconds, it means that it is reacting from the after-effects of smoke and is in a temporary desensitized state. This article will explain what smoke detector flashing red means, so you will be ready to respond to yours. This will not only reduce panic, but will also help to properly identify what it means and how to address it. It is helpful to understand what these red flashes mean at different times and in different situations. Some detectors have a "last error memory" and need to be reset after replacing the battery to work properly.A red signal is usually attributed to an alarming state, but it can signal other things that need attention. Replace the battery and turn the power back on. Press and hold the test button until it stops sounding. ![]() Reset a detector by removing the battery and turning off the circuit breaker controlling it, if it's AC-powered. If the detector continues sounding after pressing the test button during an alarm clean, or replace, the detector. After 10 minutes it beeps twice to let you know it has reverted back to its normal mode. For areas like these its best to use a heat detector that isn't affected by dust and debris.ĭuring an alarm, pushing the test button puts the alarm into "false alarm mode," a less sensitive detection mode, for about 10 minutes. Some detectors are placed in known problem ares like garages, basements and attics, where dust and insects can get into the detector and cause false alarms. Turn off the circuit breaker controlling the detector, if it's AC-powered. ![]() Determine which detector initiated a false alarm, in systems that are interconnected, by finding the detector that is flashing red rapidly. ![]()
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