Once the alarm is off try to find out why.
Dsc alarm memory light on.
The alarm memory light will remain on until the alarm is armed and disarmed once.
Press to exit.
Alarm memory when an alarm occurs the memory indicator and fire indicator if applicable will turn on.
To reset the alarm or the warning lights enter your master code twice press the reset button and then enter 72 if the alarm is still ringing.
Press the key to return to ready.
Open the alarm cabinet where the backup battery resides.
Dsc commands vary a bit from model to model.
The alarm memory will automatically he displayed when the system is disarmed see disarming the system.
Dsc alarms can go off for a number of reasons.
Press the then 3 keys to display the zone which caused the alarm.
You seem unclear as to your system model.
The corresponding sensor number will flash.
A dsc alarm system should run off of battery power for several hours during a power outage but if you have a longer period of downtime the batteries can be drained.
This is a short video on how to view and clear alarm memory with a dsc power series alarm system.
To view which sensor s generated the alarm press 3.
When that happens you will need to reset the sensors using the keypad on the control unit.