Question about First Alert SA302 Dual System Smoke Detector

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First alert smoke and carbon monoxcide beeps periodically.

It is new and hardwired in a new house

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You need to give the exact model I bet you have a battery back up in the event power is lost during a fire. I bet the battery is bad.. We all have had devices that are brand new and the shipped batteries are no good. 
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Posted on Dec 03, 2008

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My model CG is hardwired and was beeping full tilt, no fire or smoke. could it possibly be carbon monoxide..or is that a separate detector?


We need to know the whole model but if it is CG then that is a combustible gas detector. If it is a carbon monoxide unit, they have a fixed life span and when it is up, they beep telling you to replace the WHOLE thing.

Feb 14, 2017 | Home

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My alarm beeps at night for a short period


if it is about a smoke alarm with a battery in it, when the alarm beeps for no apparent reason, it is a bult in indicator that the battery is flat or approaching a low voltage and needs replacing
If it still beeps after replacing the battery have it checked out as a fire alarm is critical for your safety

Jun 12, 2015 | Kidde 1276-9995 Hardwire Smoke Alarm with...

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Smoke detector removed from ceiling. Only wires visible, but I still hear chirping.


Look at the detector you removed, and all others that may still be wired in.
They all have battery backup. Although the detectors are hardwired, the chirping is coming from one of the detectors to let you know to change the battery.

Oct 06, 2014 | Home

1 Answer

I have a series of 7 kidde ionization smoke alarms model 1276 hardwired with battery back up. The problem is all of the alarms will go off during the middle of the night for no apparent reason. The only...


Don't know for sure, but if your smoke detector is more than 5 years old, than you have to purchase new one (that's their average lifetime). Take a look on amazon: Amazon com smoke alarm . I hope I have helped. Cheers

Jul 23, 2011 | Kidde 1276-9995 Hardwire Smoke Alarm with...

1 Answer

My nighthawk Kidde carbon monoxide detector keeps beeping every 25-30 seconds. Do I need to buy a new one?


Some models of Carbon Monoxide Detectors will give an audible beep every 25-30 seconds after it has sounded an alert alarm. This may have happened when there was noone home to hear it. A periodic beeping sound may also indicate it is time to change the battery.

Solution: Install a new battery and check your manual for instructions on how to reset the system. Check the expiry date on your unit, it needs to be replaced after 5 to 7 years, according to the manufacturer specifications.

If you are in doubt that your Carbon Monoxide Detector is not working effectively, REPLACE IT. Your safety and your peace of mind is worth it.
View most Brands and Models of Carbon Monoxide Detectors online.

Jun 27, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

Carbon Monoxide wired to the house, no battery, beeping


the batt is used for backup. Its beeping to get you to install a batt

Jun 18, 2009 | First Alert SA302 Dual System Smoke...

1 Answer

Smoke alarm/carbon monoxide detector


I have a First Alert Smoke Detector Model SA 86RAC.When I changed the Battery today it beeps.How do I fix this problem?

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