View and download first alert 9120b user manual online.
Brk smoke alarm 9120b beeping.
3 chirps about 1x per minute malfunction warning.
Ac powered smoke alarms with battery back up and silence 120v ac 60 hz 0 04a.
The interconnect wire in the alarm should not be grounded.
Over the years smoke detectors can wear out and simply just stop working.
Stop the noise 1.
The other alarms will be silent.
No signal is sent through the interconnect wire.
This user s manual contains important information about your smoke alarm s operation.
Replace the face of the detector and listen for the chirping sound.
If your smoke alarm is chirping even though it has a new battery try these troubleshooting steps to clear out residual charge from the old battery.
This detector also integrates with up to six other compatible devices such as bells horns and repeaters.
This will fully reset the smoke alarm and drain any charge.
As the battery in a smoke alarm becomes weak the smoke alarm will chirp about once a minute to alert you that the battery needs to be replaced.
If your smoke detector keeps beeping try the following tactics below before your head explodes.
Remove the alarm from your ceiling or wall.
A first alert brand smoke detector provides advanced warning against the dangers of smoke inhalation or a potential fire by sounding an alarm to alert the residents of a home.
Alarm needs to be replaced.
Open the cover and take out the battery.
Models 9120 printed in mexico 9120b m08 0134 003 k1 04 07 all first alert and brk smoke alarms conform to regulatory.
If you are installing the smoke alarm for use by others you must leave this manual or a copy of it with the end user.
Press and hold the test button for 15 30 seconds.
So if it seems like your smoke detector is beeping for no reason it could mean that the smoke detector is just worn out and needs to be replaced with a new one.
Tired of that annoying beeping noise.
Even though there are plenty of possible reasons your smoke alarm is beeping there are a handful of easy solutions to finally stop your alarm detector from beeping.
If this happens you may need to reach out to an electrician for assistance.
Old or broken smoke detector.
Have a pro take care of it.
If chirping persists remove residual charge from the old battery.
The model 9120b smoke detector is as vulnerable to false alarms causing its horn to sound as any other smoke detector.
If that doesn t work flipping the circuit.
Only the alarm with a low battery will chirp.
First try the reset button on each smoke alarm.
9120b smoke alarm pdf manual download.
If your smoke alarm happens to be hard wired there are a few additional steps you ll need to try.
