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Question about alarms and blackouts

  • 30-09-2022 3:26pm
    #1
    Marcos
    Registered Users, Registered Users 2 Posts: 527 ✭✭✭


    Hi,

    With all the talk of blackouts we're expected to get this winter, I have a question about alarms. How long does their backup battery last, and if it goes is there any way of turning alarms off? There probably isn't but I'd like to find out if there are any options other than sitting through multiple alarms blaring away in the dark.

    Apologies if this was answered already, but I have done a search and couldn't find anything that answered this question.

    Thanks.

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Comments

  • #2
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Insert Code, alarm silences.



  • #3
    davidconroy46
    Registered Users, Registered Users 2 Posts: 265 ✭✭davidconroy46


    Backup battery should be replaced about every 4/5 years



  • #4
    zg3409
    Registered Users, Registered Users 2 Posts: 7,029 ✭✭✭zg3409


    Typically the panel will beep to indicate a loss of power. It will run on battery for some time, hours to days. If it lasts a very short time then the battery should have been replaced years earlier.

    When battery goes finally flat the alarm typically sounds and the internal alarm will sound and so will external alarm.

    If you put in code early enough you may be fine.

    It's unlikely home will suffer power cuts this winter due to gas shortages. It's more likely large users such as data centres will be forced to use their own generators which they all have.



  • #5
    kub
    Registered Users, Registered Users 2 Posts: 6,562 ✭✭✭kub


    https://www.boards.ie/discussion/comment/119704328#Comment_119704328

    Technically what actually happens is that, once the voltage from the system battery to the Control Panel goes below a certain threshold, then there is no longer enough voltage for the data link from the keypad to the Control Panel.

    Around this same time, the External SAB will not get enough voltage and it will activate by itself and the Tamper return from same will fail at the Control Panel input, this will add another complication and the system will now begin another activation process, this will sound the Internal siren.

    As the Data link between the keypad and Panel is no longer active, then the user code will not work on the Keypad and the system will continue to activate.

    If the external siren is a modern one, then the noise from that should stop after 15 mins, as regards the internal siren that will carry on for as long as the battery is capable of sounding it.

    I am afraid to say it is immaterial of when you put in your code.

    I would appeal to anyone out there to get their systems checked over by a professional and as previously mentioned, if the system battery is not healthy or older than 5 years, then it is best to replace it.

    Speaking with those high up the chain in the electrical generation area, their concern is a cold period with a high pressure system over the country, the wind generators will be sitting pretty in the cold with no wind to push them.



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