Do smoke alarms turn off by themselves?
Hardwired smoke alarms are integrated, meaning they communicate to one another over their wiring. That said, unlike battery powered detectors, when one goes off, they all go off. That said, you will need to disable them all.
Why are my smoke alarms going off?
It is normal for smoke alarms to go off and sound briefly (up to 5-10 seconds) when you install a new battery or when they are powered up. If the alarm continues to go off and no smoke is present, the cause may be one of the following: There may be insufficient battery power, try new batteries.
Why do my smoke alarms keep going off for no reason?
They’re triggered by foreign objects interacting with parts inside the detectors. This means that anything that can float into your smoke detector, like vapor, steam, smoke and large puffs of dust, can trigger your smoke detector. This is why it may go off when your cooking, even if you’re not burning anything.