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False Alarm Management of Fire Detection and Alarm Systems

Additional Information

Most false alarms are caused by poor building management, poor fire alarm system design, or poor maintenance; examples of each of these are as follows:

Poor Building Management - for example a contractor is allowed to undertake work in an area which may cause smoke, dust of fumes without the fire detection being disabled

Poor Fire System Design - a room being used as a kitchen has a smoke detector installed

Poor Maintenance - a smoke detector has not been maintained correctly and is over sensitive

False alarms will fit into one of four categories and when they occur should be recorded within the system log book under the following descriptions

Unwanted alarms – a incident like burning toast or steam that has produced fire like

phenomena that a fire detector has mistaken as the indication of a real fire

Equipment false alarms – an alarm generated by a piece of equipment that is faulty

Malicious false alarms –i.e. someone deliberately breaking a manual call point

False alarms with good intent –i.e. someone smelling smoke or sensing a possible fire

Within the CFOA Policy once a false alarm is transmitted from the site to the Fire and Rescue service it is referred to as an unwanted fire signal


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