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What is causing my smoke alarm to sound, beep, or chirp? Aug 13, 2015 When the smoke alarm detects combustible products and goes into alarm mode, the pulsating alarm will continue until the air has cleared. For procedures on what to do when your alarm is in active alarm mode, go toP. If a false alarm is activated, one of the following may be the reason: Humidity, steam, or other environmental factors If a smoke alarm is chirping consistently, one of the following may be the reason: The smoke alarms battery may need to be replaced. An alarm will chirp every 30 to 60 seconds for a minimum of seven days.
The smoke alarm may be malfunctioning. An alarm will chirp between flashes of the red LED light. The Hush feature may be activated. An alarm will chirp every 30 to 40 seconds for approximately seven minutes while the Hush feature is activated. The smoke alarm may have reached its end of life (sealed battery models only). An alarm will chirp every 30 seconds to indicate it is time to replace the alarm. There may be interference from a similar system nearby (wireless alarms only). For ways to troubleshoot the problem, go toP If a smoke alarm is chirping intermittently, one of the following may be the reason: Humidity, steam, or other environmental factors For ways to troubleshoot the problem, go toP today if they are past their end of life.
Why do smoke alarms chirp intermittently? The \”chirp\” will only be caused by issues surrounding the battery or miss-wiring. However, a homeowner may confuse the chirp with an intermittent alarm. Try and get the homeowner to be specific as to what they are hearing. A БchirpБ will have a higher pitched tone and sound in equal intervals about once every minute. An intermittent alarm will be random, sound usually for several seconds and have a lower pitched tone.
Any of these situations can cause unwanted chirps: Battery Pull-tab is Still in the Alarm The battery pull-tab must be removed after AC power is provided to the alarm. The Battery Drawer is Open The battery drawer must be completely closed for the battery to make contact with the terminals. As the battery in a smoke alarm becomes weak, the smoke alarm will \”chirp\” about once a minute to alert you that the battery needs to be replaced. Note: Only the alarm with a low battery will chirp. No signal is sent through the interconnect wire. The other alarms will be silent. Tip for Builder Service Managers During extended periods prior to occupancy where power is off, Builder Service Managers who maintain new homes prior to sale should be sure to open the battery drawer on alarms to keep the battery from draining.
If power is restored temporarily (e. g. to show the home) the alarm will chirp if the drawer is open. The alarm now senses there is no battery. The battery may not be fully making contact with the terminals in the alarm. Check to be sure the battery pull-tab or some other obstruction is completely removed. Security systems, monitors, carbon monoxide alarms, and other devices have similar low battery or alert signals.