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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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.

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How old is it? It may be telling you that it's no longer reliable and must be replaced.

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The 3 beeps, known as temporal pulse, is indicative of an alarm condition. If it stops without a battery, then the unit either does not have power or is otherwise defective.

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1 Answer

Every hour my detector beeps and the green lights flashing is it carbon nonoxide or smoke or battery??


If it only beeps once and then pauses, the batteries are suspect. The batteries should be replaced twice each year. I like to change them when we change the clocks back and forth.
I hope that this helps.
asnowman

Hint you can test them with a match (blow it out) and let the smoke rise into the detector. I recommend that this be done at lease once a year.

Hope this helps
asnowman

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1 Answer

My first alert smoke detector went off at midnight last night. It is doing the three beeps, pausing and then another three beeps. This happened for about 3 minutes, stopped and then started again...


Change brand new battery,every three months.Take some rubbing achahol clean the test button metal contact inside the detector.Well works correctly after these steps.

Dec 15, 2009 | First Alert SA302 Dual System Smoke...

1 Answer

My kidde smoke and carbon monoxide alarm keeps beeping and saying low battery and i don't have a manual how do i open it so i can change the battery?


You will need to remove the unit from the ceiling to reveal the battery compartment on the back. It should just need to be rotated counter clockwise a small amount and will then come loose from the bracket. When installing a new battey be sure to press the battery reminder finger down into the battery compartment or the battery door will not close. Call the Kidde (pronounced kid-a) hotline if you have problems 1.800.880.6788

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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

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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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