Ionization smoke alarms going off at night, why?

carbon monoxide alarm 3 beeps image

Jessica

I know for a fact that my smoke alarms are NOT the kind that also detects carbon monoxide! So please do not suggest this could be the reason as there is no feasible way it could be carbon detection.

So that leaves me to wonder why is the fire alarms going off and why is it only doing so at night? Tonight they have went off four times (make that five times since it just went off as I am typing this) and it is not a short amount of time they go off by any means. They beep for about 1-3 minutes before stopping. The beeping is not that of 'needing a new battery' and more of the 'get the hell out!' alarm. The fire alarms are around 3 or 4 years old so they are not new by any means and it is slightly chilly in the home because we only have the one gas heater.

There is no smell of smoke or anything that I would think cause the alarms to go off. The only scent in the home is the air freshener, but that has been out for about 4 weeks and never caused a problem so I doubt it is that.

To add information about the fire alarms, they are wired and do have backup batteries. They, as told in the title, are the ionization smoke alarms. When one goes off they ALL do, sadly at this point since I am going to be getting no sleep at this rate. One starts to stop to only pick back up because the others did not stop fast enough. And one alarm is RIGHT in my doorway to my bedroom so this is all getting very annoying.

Please help me come up with something that could cause this and/or what ya'll think I should do to try and fix the problem. Thanks!
Never mind, I figured out what was causing the fire alarms to go off. Turns out it was only going off when the gas heater turned on (started the fire) and a strong smell was coming from it if you stood near it. Just turned the heater off and going to have someone come check it out to make sure nothing is wrong with it.

Answer
Very sensitive alarm huh ? Usually the very first time you turn a heater on, it burns all the normal house dust that has accumulated over the summer months. But after the initial burn it shouldn't have an effect on the alarms. The hard wired ones like you have are extremely sensitive. If you have several in the house, you might want to deactivate the one near the heater. I presume this is the one that sets off the rest of them.

Kidde smoke and carbon monoxide alarm repeats "low battery"?

alirao96

I have 3 Kidde smoke and carbon monoxide alarms, two of them are battery operated, but there is one that is connected to wiring in the ceiling, it keeps repeating "Low battery" and beeps every minute or so...I don't know how to charge it! Please help!!

Answer
Most hardwired smoke alarms use a 9 volt battery backup. If you can't see a battery compartment, try removing the alarm from the wall/ceiling and looking inside.

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