Question about First Alert SA302 Dual System Smoke Detector

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How to change battery in first alert smoke alarm model #sa303

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Posted on Jan 02, 2017

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  • 13 Answers

SOURCE: GE Simon says that the smoke alarm has a low

I know some of this sounds obvious but the problem is usally related to 1 of 3 things.

1 Battery oreintation is wrong
2 Replacement batteries were old and were already below the low battery threshold (1.35 volts per battery/ 2.7 volts combined)
3 Didn't use the correct battery - manufacturer recommends lithium batteries (quality alkilines will work but they will have a shorter life)

Beyond this I will need more information to diagnose the issue.

Posted on Mar 22, 2010

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TeaCii
  • 90 Answers

SOURCE: Smoke alarm keeps bleeping

Hi,

Here are the steps:
Was this always like this? If not, change the batteries, clean it up. Consult the local fire dept. The help for free.

If that does not work, you will need to get it serviced/repaired.

Cheers
TeaCii
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Posted on Apr 23, 2010

  • 8457 Answers

SOURCE: I could not get to battery compartment of the

Hold the entire smoke detector,turn it to the left or right,u will able to take the smoke detector out.The battery compartment is in the back.

Posted on Sep 09, 2010

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1 Answer

How to replace a battery to First alert mod sa303


http://www.firstalertstore.com/store/images/pdf/sa305cn3-10-year-battery-smoke-alarm.pdf

Follow the link above to download the user guide. There is a door that opens to the side of the device that contains the battery. The drawing is not very good. I believe the door is like a tray that holds the battery? Take care that the polarity is correct...often times 9V connectors will permit improper polarity connections which could harm the unit and destroy the battery. Fortunately, it's not usually too difficult, especially if you pull the unit down first so you can see better...good luck!

Feb 13, 2015 | Home

1 Answer

Fire alarm beeping after battery change


you need a good quality fresh battery, cheap or old batteries are not strong enough

Jun 27, 2014 | First Alert Brk / First Alert Smoke...

1 Answer

My alarm is testing multiple times a day


Check that the battery is installed the right way around. Most smoke alarms can only be tested manually (by pushing the button). If you are hearing a single beep every 50 or 60 seconds then this is the low battery indicator and this will sound if the battery is inserted the wrong way around. If the siren is actually sounding continually then your smoke alarm might be clogged with dust or other foreign matter. All smoke alarms should be replaced every 5 to 7 years as the components in them only have a limited life span.

Nov 10, 2013 | First Alert SCO7CN Battery Operated...

1 Answer

Two first alert smoke detectors go off for no reason. All are on 110 with good batteries. Have had these for approx. 12 years with no problems until now when 2 of the 7 have gone off many times in the last...


There may be dust built up in the sensing chamber. This can cause alarms to go off for no reason. Try vacuuming the alarm off particularly around the sensor if the cover is removable. These alarms should be replaced however, as they are more than 10 years old.

Apr 07, 2011 | First Alert Brk / First Alert Smoke...

1 Answer

I could not get to battery compartment of the first alert smoke alarm. Please tell me how to replace with new battery.


Hold the entire smoke detector,turn it to the left or right,u will able to take the smoke detector out.The battery compartment is in the back.

Sep 09, 2010 | First Alert SA302 Dual System Smoke...

3 Answers

Smoke alarm keeps bleeping


Hi,

Here are the steps:
Was this always like this? If not, change the batteries, clean it up. Consult the local fire dept. The help for free.

If that does not work, you will need to get it serviced/repaired.

Cheers
TeaCii
If you own website, add live support almost free
Real security guard to watch your cctv for $1/day

Apr 18, 2010 | First Alert SA302 Dual System Smoke...

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

Smoke alarm beeping


If after replacing the battery the alarm is still beeping, the smoke alarm is bad and needs to be replaced. Hope this answers your question. Best of luck!
Greg

May 23, 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?

Sep 22, 2007 | First Alert SA302 Dual System Smoke...

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