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Security System Limitations
Not even the most advanced security system can
guarantee protection against burglary, fire, or
environmental threats. All security systems are subject
to possible compromise or failure-to-warn for a
variety of reasons including, but not limited to, the
following:
• If sirens or horns are placed outside the hearing
range of people in remote areas of the building or
in areas which are frequently closed off, they do
not provide the intended protection.
• If intruders gain access through unprotected
points of entry, the system will not detect their
entrance.
• If intruders have the technical means of
bypassing, jamming, or disconnecting all or part
of the system, they will not be detected.
• If the AC power supply is OFF and the back-up
battery is either missing or dead, sensors will not
detect intrusion.
• Smoke detectors cannot detect smoke in
chimneys, walls, or roofs, or smoke blocked by a
closed door. They may not detect smoke or fire on
a level of the building different from the one on
which they are located. Smoke detectors may not
be able to warn in time about fires started by
explosions, improper storage of flammables,
overloaded electrical circuits, or other types of
hazardous conditions.
• If phone lines are out of service, reports from the
security system to the security company cannot be
sent. Telephone lines are vulnerable to
compromise by several means.
Inadequate maintenance and failure to test are the most
common causes of alarm failure. It is strongly
recommended that you test your system once a week
to be sure that all system components are working
properly.
Although having a security system may make you
eligible for reduced insurance premiums, the system is
no substitute for insurance. Warning devices cannot
compensate you for loss of life or property.