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Maintaining Your System
Taking Care of Your System
The components of your security system are designed to be as free of
maintenance as possible. However, there are some things you can do
to make sure that your system is in reliable working condition.
1. Test your system weekly.
2. Test the system after any alarm occurs (see TESTING THE
SYSTEM).
Replacing Batteries in Wireless Sensors
Wireless sensors
may not have
been used in your
security system
Each wireless sensor in your system has a 9-volt or 3-volt battery. The
system detects a low battery in any wireless sensor, including smoke
detectors, the optional personal emergency transmitter, and the
optional portable wireless keypad. (A low battery in a portable
wireless keypad is detected as soon as one of its keys is pressed, and
the keypad will display 00.)
Alkaline batteries provide a minimum of 1 year of operation, and in
most units and applications, provide 2–4 years of service. Actual
battery life will depend on the environment in which the sensor is
used, the number of signals that the transmitter in the sensor has had
to send, and the specific type of sensor. Factors such as humidity,
high or low temperatures or large swings in temperature, may all lead
to the reduction of actual battery life in an installation.
If you have a low battery in a wireless sensor, a low battery
message is displayed on the keypad.
In addition, a battery-operated smoke detector with a low battery also
emits a single "chirp" sound once approximately every 20-30 seconds,
identifying itself as the smoke detector with the weak battery. If you
do not replace a smoke detector's low battery, the smoke detector may
sound continuously, as if there were a fire alarm.
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