off your alarm system by entering the deactivation code into your control panel. Do not change the battery when the alarm is
Contact your alarm company to notify them that you plan to test your alarm system.
the any codes to completely disable the system temporarily. This is
different from the original alarm code and should have been provided to
you when the system was first installed. You may not need one if the
alarm company has your system on test mode. If you don't know the this code, contact your alarm company to see if you need it.
Otherwise, your alarm could activate when you disconnect the old
battery, even with the system turned off.
Turn off the power to
the main unit by either turning off the breaker or unplugging it to help prevent injury from electrical discharge.
battery and plug the new battery into the wire harness and close the
panel and screw the cover back on. Restore power to the unit.
the alarm deactivation code into the control panel if the alarm
activates. Contact your alarm company immediately if the alarm goes
off or does anything unusual. They'll take the system off test mode at a
prearranged time or call the alarm system company once you're done to get the system