Burglar Alarm Going Off During Power Cut

The panel thinks you are tampering with it and so will go into alarm. This back up system cuts in automatically when the mains voltage is lost. Any internal batteies will eventually run down though it may take several hours.

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During the event of a power cut your burglar alarm shouldn t be going off as the backup battery should be able to provide the alarm with power during a the power cut even during bad weather conditions.

Burglar alarm going off during power cut. This means the back up battery which is meant to keep the alarm running is unable to keep the alarm system running therefore setting the alarm off. These types of home security alarm systems are the most vulnerable in power outages as a loss of power usually results in an internet outage as well. If the external siren bell is still going it should turn off after 20 minutes but again if there s a fault you may have to wait hours until it s batteries expire. The most common fault with intruder burglar alarms that activate during or after a power cut leaving the owner helpless to silence it causing a nuisance.

Fused switched spur for the alarm you could try turning that off. Burglar alarms have battery backups and tamper sensors that can kick in when the power is cut off and the battery runs down otherwise they could simply be disabled by switching off the power supply. This notifies the alarm that you have aknowledged the power cut and at this point the alarm is being powered by the back up battery. If your external alarm siren is ringing during a power cut then it means your internal alarm battery inside the main alarm box needs replacing.

If there is a mains power switch e g. All professionally installed and maintained alarm systems must have a fully operational battery back up system that should keep the system operational for at least 12 hours and it should be checked by your maintainer each year. If you don t have the engineers code to do this the alternative is to change the battery with the alarm going off. If the battery becomes fully depleted and there is a power outage the alarm panels will stop functioning and the alarm may begin to whine until the battery has no charge at all.

Without an internet connection to a monitoring center these types of systems stop communication until power is restored and the internet is up and running. To stop this happening you need to put it into engineer mode before opening the cover. Motion sensors will activate and send alarms to the central station. However if your alarm does go off during a power cut there may be a fault with it.