Question about First Alert SA302 Dual System Smoke Detector

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Smoke alarm beeping

Battery has been replaced and still beeping

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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

Posted on May 23, 2009

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Posted on Jan 02, 2017

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1 Answer

HOW DO I REPLACE BATTERY ON FIREX FX1218


BATTERY REPLACEMENT Always turn off power to smoke alarm before replacing battery.
Replace battery at least once a year, or immediately when the low
battery signal sounds (a beep once per minute indicates low bat-
tery). Batteries should be replaced regularly as necessary, even
when the smoke alarm is receiving AC power.
Use only the following batteries as replacements in this smoke alarm: Eveready 216, 522, 1222, Duracell MN 1604, or Ultralife U9VL-J [Alkaline batteries 9Volt] DO NOT USE RECHARGEABLE
BATTERIES.

1. Turn off power to smoke alarm at main service panel.
2. Turn smoke alarm counter-clockwise to detach from mounting plate.
3. Gently pull down smoke alarm. Be careful not to separate wire
connections.
4. Pull out power plug from back of smoke alarm.
5. From back of smoke alarm, lift tab to open battery pocket door.
6. Remove battery from pocket. Disconnect and discard bad battery from battery connector.
7. Connect a fresh, 9-volt battery to connector. The battery will fit
only one way. Be sure battery connector is securely attached to
battery terminals.
8. Place battery into battery pocket.
9. Close battery pocket door. Push down until it snaps into place.
10. Replace connector plug. Connector will "snap" into place.
Gently tug connector to be sure it is attached properly.
11. Reattach smoke alarm to mounting plate by turning smoke
alarm clockwise until it snaps into plate.
12. Turn on power and test smoke alarm using Push-to-Test button

Jan 03, 2018 | Home

1 Answer

Smoke alarm won't quit beeping.


Check the date on the back of the smoke alarm. They need to be replaced about every 7 years. They also need to be cleaned once or twice a year, you can use a vacuum to do this. If they are older replace them.

Mar 18, 2017 | Home

2 Answers

How to open hard wired smoke alarm LANSD240B to replace battery.


You need a 110V AC to 9 Volts DC AC adapter.

Feb 03, 2017 | Home

1 Answer

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...

1 Answer

How do I stop smoke alarm from beeping


Smoke alarms beep in two different ways: it beeps continuously when smoke is present, and it beeps every so often (intermittently) when the battery needs to be replaced.

Feb 18, 2015 | Cars & Trucks

1 Answer

How do I stop the beeping of smoke detector after battery has been replaced?


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

Sep 30, 2014 | Kidde 4618 Firex Hardwire Ionization Smoke...

1 Answer

How to stop dicon smoke alarm beeping


All smoke alarms beep if the battery is too low. Getting a used battery isn't good enough for smoke alarms. Even getting a new battery from a dollar store (a cheap no name brand import store) will not do... it has to be the newest and it has to be alkaline. once you put it in... press the button for 10 seconds... first you will hear it's own alarm then you will hear the others attached to it in the whole system chime in (if you have that type) the alarm will now sit quietly.

Oct 20, 2013 | Home Security

1 Answer

Home security alarm keeps beeping


Most wired-in smoke detectors work off of two sources of power, electric and battery. If the beeping occurs every 30 seconds or so it most likely means you need to replace the battery in the detector. On the other hand if by beeping you mean the alarm is going off, I would first try cleaning the unit with your vacuum. If that doesn't solve the problem then the next step would be to replace the unit. Hope this helps.

Apr 08, 2010 | Kidde 1275 Hardwire Smoke Alarm with Hush...

2 Answers

My alarm and smoke detector keeps beeping a single beep every few minutes


Ours keeps chirping even after we replaced the battery. I'm not sure how to fix it.

We are going to try and clean it but if it keeps doing it after that then I guess it means it needs to be replaced, right?

Nov 26, 2009 | Kidde 120-Volt Front Load Battery Smoke...

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