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Honeywell Accenta G3 tamper alarm

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  • Tom41
    Badcaps Veteran
    • Oct 2005
    • 336
    • England

    Honeywell Accenta G3 tamper alarm

    This house has a Honeywell Accenta G3 alarm system. If the main unit loses power for any reason, the external siren sounds - even if the alarm is not even armed! Entering the code to disarm it is not an option as the keypads are completely dead when the power is out.

    I presume this means the backup battery inside the box has failed, but I can't get in there and replace it without also setting off a tamper alarm! Is there any way to disable the tamper alarm so that electrical work can be carried out with the power off? Or a way to replace the backup battery without setting off the alarm?
    You know there's something wrong when you open your PC and it has vented Rubycons...
  • petehall347
    Badcaps Legend
    • Jan 2015
    • 4001
    • United Kingdom

    #2
    Re: Honeywell Accenta G3 tamper alarm

    here is the manual ...https://www.tlc-direct.co.uk/Technic..._A-G3_inst.pdf

    Comment

    • CapLeaker
      Leaking Member
      • Dec 2014
      • 6359
      • Canada

      #3
      Re: Honeywell Accenta G3 tamper alarm

      If the alarm panel sounds an alarm while power is off, there must be a battery somewhere in order to sound the alarm.

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      • stj
        stj
        Great Sage 齊天大聖
        • Dec 2009
        • 29511
        • some shithole run by Israeli agents

        #4
        Re: Honeywell Accenta G3 tamper alarm

        the external bellbox has one incase the cables are cut - standard feature for decades

        Comment

        • redwire
          Badcaps Legend
          • Dec 2010
          • 3415
          • Canada

          #5
          Re: Honeywell Accenta G3 tamper alarm

          Tamper fault puts the unit into lockout and the keypad acts dead until that fault is cleared, only by entering User Code then Engineer Code. If that has been changed from default 9999 then only choice is phone the alarm company that knows it, or blow out the entire program back to factory defaults.

          I'd be tempted to disconnect the siren, yes it's another tamper fault event but at least then you can check/replace the battery.

          Comment

          • Th3_uN1Qu3
            Believe in
            • Jul 2010
            • 6030
            • Romania

            #6
            Re: Honeywell Accenta G3 tamper alarm

            Originally posted by Tom41 View Post
            I presume this means the backup battery inside the box has failed, but I can't get in there and replace it without also setting off a tamper alarm! Is there any way to disable the tamper alarm so that electrical work can be carried out with the power off? Or a way to replace the backup battery without setting off the alarm?
            Yes, that means the backup battery in the main unit is dead. I had the same problem a few years ago. What I found is that duct tape over the siren will quiet it down enough for it to not irritate the neighbors while you replace the battery in the main system.
            Originally posted by PeteS in CA
            Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
            A working TV? How boring!

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