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I have just replaced a regularly beeping Brooks Photoelectric smoke alarm PFS-PTLH with a new one, after 3hours this one is still beeping every minute.How can I resolve this?

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Posted on Jan 02, 2017

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SOURCE: 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!

Posted on May 23, 2009

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SOURCE: My alarm and smoke detector keeps beeping a single

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?

Posted on Jan 20, 2010

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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

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
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

1 Answer

Open brooks smoke alarm to change battery

Hi Robin

Usually push in (up) & turn
Feel it as you turn
.....then remove from other half.
Have 9v battery handy for replacement.

Mar 05, 2015 | Brooks Kidde 120 VAC Photoelectric Smoke...

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

2 Answers

I have a DSC smoke detector model FSA-210BT at home for many years; now it starts beeping once a few minutes, as if it needs battery or servicing. I see there are 2 wires connected to the unit but no

Your smoke detector is probably wired to an alarm system. The beeping probably indicates that the drift compensation is out of calibration. This is usually due to dirt or power issues. The cut sheet from the manufacturer indicates that the drift compensation can be reset after the smoke chamber has been cleaned, but I have never been able to successfully do so in spite of following the instructions. If your alarm system is being monitored, it would probably be best to have the alarm company replace it. If you prefer to do it yourself, make sure you have your system placed on test with the monitoring center before disconnecting anything to prevent an unwanted visit from the fire dept. The connector on the back can be removed from the device without removing the wires...insert the original connector into the new advised that the surge could cause the device to go into alarm, but it should reset at your keypad without a problem. Unless you are completely comfortable doing it yourself, I would recommend having it done by a pro.

Feb 15, 2015 | DSC FSA-210BT - 2-Wire Photoelectric Smoke...

1 Answer

My 521NCSXT smoke sector beeps periodically. What is required to repair?

When a smoke detector beeps periodically it is telling you that it needs a new battery. They require the newest 'alkaline' 9 volt battery that you can get. If it is not alkaline you will get the beeps. once the battery is replaced do a hard reset. (pressing the button for 10 or more seconds)

Sep 29, 2013 | GE 521NCSXT - Photoelectric 2-Wire Smoke...

1 Answer

Goes off only at night with NO warning cleaned & changed batt. 4 times so far !!!!

These types of smoke detectors are PHOTOELECTRIC, the way it works, there is a IR transmitter and a IR receiver placed in a dark chamber aligned at a 45degree angle, when smoke enters the chamber IR light bounces of the smoke and than generating an alarm, so in conclusion if there is a lot of DUST in the chamber it reflects the IR light just like smoke, than can generate an alarm, try blowing air in the smoke detector (gentely) if it does not work replace the smoke detector...

Feb 04, 2011 | System Sensor 2100rfadt Wireless Smoke...

1 Answer

Kidde pe 120 photoelectric sensor smoke alarm emits 3 "beeps" with a pause and then repeats until the 9vdc battery is removed. The house is not on fire and the 120vac power is connected. What might be the...

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.

Jun 03, 2010 | Kidde PE120 Hardwire with Battery Backup...

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!

May 23, 2009 | First Alert SA302 Dual System Smoke...

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