Why do our smoke alarms beep for no reason?

there is no cooking going on or any form of smoke in the house, but the smoke detectors beep randomly. Most of the time one or two short beeps. They are electrically operated, not battery.

Public Comments

1. they need new batteries
2. Our's kept beeping whenever we cooked. But maybe your's is checking itself out and letting you know that it is working. Or it could be a short in the system. Try to find the manufacturer and send an email to find out for sure.
3. Maybe it has a carbon monoxide detector inside of it, but you would probably be sick by now if it did. Look at it, it should have some instructions written on it or at least the model we have does.
4. this is to let you know they work with out having to test them every month . Which most people don't.
5. There is a sensor in all smoke alarms that monitor smoke particulate in the air. Chances are, it is seeing air borne dust. Open the unit and vacuum inside. That should stop the intermittent beeping.
6. I no that's pretty annoying.but may just be resetting itself
7. press and hold the test button- on some of the older models that resets it, and make sure there is no battery anywhere cause most electric detectors have battery back up - to safegaurd agaisnt no power caused by a electrical fire. when one goes off - do the others in the house go off? if there are linked together and do go off then there is something either going on with the electrical or something causing it to go off. if not maybe that one detector is bad. you dont by chance have one near a heat source do you? i used to have one in a laundry room that set off the whole house when the dryer was on.
8. It's for smoke and for carbon monoxide. This is not random, it's prevention. You have emission of gas in your house that's why it beeps.
9. We have had the same problem. Ours are electrically connected, so if one goes off, they all do. We changed all the batteries. Nothing. (Though they are wired together... they still have batteries,,, all houses built after 2000 or 2001 in the Illinois((or the US)) have to) Eventually the individual beeps would go off 3 or 4 times rapidly, the one would set the other off, and the other, etc. throughout the house. We called the fire department to come out and they didn't know what to do. Eventually, we found the culprit smoke alarm and bought a new one to replace it. All works well now. <b> 1. find the culprit. 2. Make sure you have the right model numbers and go get a new one.</b> I should be from $10 - 20.00. I would guess it's just shorted out somewhere.
10. Mines always beeping I guess its trying to bleep out my bad language and censor me.
11. I dont know, but that would be very annoying.
12. Its a reset sensor built into the unit. If you push the red button and hold it down for 20 seconds, it will stop doing that.
13. that is a saftey device to let you know you need to change the batterys
14. It could also have batteries in it as back up & they probably need to be changed. Mine does that also!
15. idk but that would be really annoying and irritating.