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We're assuming you set the alarm, and then it goes off for no reason. If your system uses magnetic switches on windows and doors, you may want to check the magnetic switches to make sure they are both properly closed, and functioning properly. As windows age, they may not close fully, and thus not always bring the two parts of the switch close enough together to register that the window (or door) is closed. You may also want to check that nothing is accidentally setting off any motion detectors you have. An overhead fan may cause a plant to move, or a cat may wander through -- any number of things can set off motion detectors.

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15y ago
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12y ago

When a smoke alarm just keeps going off for no reason, it is an indication that the battery is going dead in some older models. Also, you might want to see if it is also a carbon monoxide detector as well, because that would lead to a more serious issue.

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9y ago

Your house alarm may keep going off if it has a defect. Check to make sure there are no real threats to cause the alarm to go off and then have it tested to see if it is faulty.

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12y ago

Because it has been manually set off by the control panel or by a Manual Call Point, automatically by a smoke/heat/beam detector or by a fault on the system.

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Q: Why does the fire alarm go off?
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When does the fire alarm really go off?

When the smokes reaches the device and sets off the alarm


Why does my fire alarm go off when I blow dry my hair?

because it probably has a heat detector in the alarm therefor it goes off.


Will manually turning off a shunt trip breaker set off the fire alarm?

Manually turning off a shunt trip breaker should not set off the fire alarm. The only way that the breaker could set off the fire alarm when turned to the off position is if there is an auxiliary contact on the breaker connected to the fire alarm circuit. This is not usually done because the breaker should be able to be turned off when doing maintenance on the breakers circuit. If the breaker is a mandatory feed breaker to a piece of fire alarm equipment and shouldn't be left in the off position it might have a trouble circuit connected to the fire alarm panel. A trouble alarm on a fire alarm panel is different from an alarm circuit alarm.


What warns people of a fire in their house?

The smoke/fire alarm will go off or you will see smoke. You could also see the fire.


Fire alarm going off don't know what to do its not even a fire landlord won't do nothing?

If there is a fire alarm going off you should call the fire department. There may be a gas or carbon monoxide leak. If the fire department is called, the landlord will be forced to do something.


Why does the smoke alarm go off when someone burns toast?

Smoke alarms are hung so that if there is a fire you will know it. If toast is smoking then the alarm will detect it.


What is the difference between manual and automatic fire alarms systems?

An automatic alarm system detects fires and sets off the alarm even if there is nobody around to detect the fire. A manual system will only go off when someone pulls the alarm switch after smelling or seeing smoke or seeing or feeling heat of a fire.


How will visitor know where to go if fire alarm goes off in a care home?

they would follow the people who are in charge or ask where to go


Does smoking indoors set off a fire alarm?

No


Who set off the fire alarm?

Isn't it obvious...


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His behaviour caused alarm bells to ring in the officer's heads.I need a new alarm clock because I threw mine against the wall again.The early warning alarm saved thousands of lives.


Where can I find a zone alarm fire wall?

It is very easy to find a zone alarm fire wall to to find one zone alarm fire alarm can be found around in security stores but for a better price just go to www.zonealarm.com