Why Is My Fire Alarm Going off?

Answer

A fire alarm that keeps going off could be a sign that it needs to be replaced. If the alarm is more than ten years old, it is time to get a new alarm. However, a newer alarm that keeps going off may try to be telling a person that it's time for a new battery. Having the fire alarm in a place where smoke is always a constant presence, such as in a kitchen, it may cause the alarm to go off more often.
1 Additional Answer
If your fire alarm is going off and there is no fire or smoke then take it apart and check for a short in the wiring as this is probably causing it.
Q&A Related to "Why Is My Fire Alarm Going off?"
Steam and vapor from cooking food can set off the alarm. If your smoke alarm is located close to air heating systems, air blowing from the unit can set off the alarm. Steam from showers
http://www.ehow.com/facts_7900522_do-alarms-go-off...
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.
http://wiki.answers.com/Q/Why_do_fire_alarms_go_of...
Hundreds of people were evacuated from Milford shopping mall on the North Shore after
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It is possible that one of the detectors has an accumulation of dust that is setting off the alarm, If the smoke detectors have LED lights, look for one of them that shows a different
http://answers.yahoo.com/question/index?qid=201204...
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