How to Deal With Late Night Fire Alarms
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It could be any time that your carbon monoxide (smoke) detectors go off, and it is of great nuisance when this alarm appears between 1 am - 5 am! We have just experienced such an alarm at 5 am today when everyone is asleep. There is no smoke, no fire, definitely nothing as I inspected the house. It is an false alarm! Don't be panic! The alarm circuit cannot last forever. Most manufacturers will desensitize/reset it for up to 8 minutes. If there is indeed no smoke, no fire, the alarm will go away by itself. Just be patient. If you have to step in physically to solve the problem, you will need to find the initiating unit first. It is the one that is flashing red or green at least once every second while in alarm mode, and then push the Test/Hush button, which can be used repeatedly until the air has been cleared of the condition causing the alarm. If the alarm stopped on its own before you could find that flashing light, you will need to refer to the owner's manual to see if the alarm model has a memory to tell you which unit was initiating. Since false alarms are commonly triggered by something interfering the sensor, to clean the sensor, you need to disconnect the alarm, remove any removable battery, hold the unit by its edge and thoroughly vaccum out the gap between the front cover and the back plate all the way around the perimeter with the crevice tool attachment of a vacuum cleaner, or blow through the same gap with compressed air. If you need to reset the unit after a battery replacement, make sure you press and hold the test button after a new battery is installed. The unit will chirp once when the power is restored, and should not chirp afterwards. Under no circumstances should you remove the battery to silence the alarms. You will need the real alarm in future, or it will cost your life. Well, what is the reason for the false alarm we got today? Maybe we had a detector became faulty; air humidity was high; or there were substances in the air that caused fumes. We tend to believe the humidity in the air was the reason for our case. We fell asleep with windows open and it was raining outside. In some area of the house, the moisture could be aggregated and in this area there happened to be a smoke detector.
Published from: Pennsylvania US
Liked by: Andy Tang