Firex Smoke Detector, Hardwired with nine-V Battery Backup & Front-Load Battery Door, Smoke Alarm, 4-Pack

Hello. If you have interconnected alarms, the first step is finding the initiating unit, as that is the key to stopping all of the interconnected units from sounding: To find the initiating unit, look for one that is flashing RED or GREEN at least once every second while in alarm mode, then follow the reset procedure on that unit. If the alarm stopped on its own before you could find that flashing light, the initiating unit will flash for 1.5 seconds every 10 seconds. If there are no obvious signs of a fire, the alarm should be cleaned before being reinstalled. False alarms are most commonly caused by something interfering with the sensor. To clean, after disconnecting the alarm and removing any removable battery: hold the unit by its edge and thoroughly blow through the gap on the side of the unit with compressed air (like keyboard cleaner). We recommend cleaning out all of your smoke alarms at least every 6 months to a year and at this point we would recommend cleaning out all of your other alarms as well as a preventative. Try cleaning out the alarms. If you have the issue again, find the alarm setting off all of the others and call us with that alarm in hand at 1-800-880-6788 so we can get this resolved for you. It is also possible that some of your alarms may be in one the locations to avoid listed in the owner's manual. This would especially include alarms being installed within 3 ft (.9m) of a forced air supply ducts used for heating or cooling, ceiling or whole house ventilating fans, or other high air flow areas. We recommend that alarms not be installed near vents, flues, chimneys, or fans. We recommend that alarms not be installed near doors or windows near areas directly exposed to the weather. We strongly recommend not to install these alarms in garages, attics, and crawl spaces as you will get temperatures, dust, insects, and chemicals that can cause nuisance alarms.

hello Pissedoffcustomer, Thanks for reaching out. We value your input and would like to assist if possible. Please call Kidde support at 1-800-880-6788. Open Monday through Friday from 8:00 AM – 5:00 PM EST. They are the experts and will be able to assist. Thank you.