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HKC alarm siren wont turn off after power shutdown

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  • 29-12-2020 3:06pm
    #1
    sirenoff
    Registered Users Posts: 4 ✭


    I have an old HKC alarm system that started randomly alerting on tamper warning. The alarm company is off this week, so they advised me to switch off the alarm system for now (I have a secondary alarm system that should come in handy). I located the alarm control panel and disconnected the (yellow) power wire and battery. As soon as I unplugged the battery, it outdoor alarm siren starting alerting and has not stopped alerting since 2 hours. I was told the siren's battery should run out of power in 30 mins. Have I missed some step to shutdown the alarm system?
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    #2
    sirenoff
    Registered Users Posts: 4 ✭sirenoff


    Picture of alarm control panel - imgur.com/a/chW4cZv


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    #3
    Paul_Mc1988
    Registered Users Posts: 748 ✭✭✭Paul_Mc1988


    sirenoff wrote: »
    I have an old HKC alarm system that started randomly alerting on tamper warning. The alarm company is off this week, so they advised me to switch off the alarm system for now (I have a secondary alarm system that should come in handy). I located the alarm control panel and disconnected the (yellow) power wire and battery. As soon as I unplugged the battery, it outdoor alarm siren starting alerting and has not stopped alerting since 2 hours. I was told the siren's battery should run out of power in 30 mins. Have I missed some step to shutdown the alarm system?

    Did it say which tamper. Could be panel. Internal siren keypad or window?

    It should run out of juice provided the power is actually disconnected. Any pics of what you disconnected.


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    #4
    sirenoff
    Registered Users Posts: 4 ✭sirenoff


    Paul_Mc1988 wrote: »
    Did it say which tamper. Could be panel. Internal siren keypad or window?

    It should run out of juice provided the power is actually disconnected. Any pics of what you disconnected.

    Thanks for your reply. It said tamper in lounge and didn't exactly say much. I am guessing its one of the sensors in window but I am not sure.

    Boards wont let me post pictures or link but here is a picture of what I disconnected - imgur.com/a/chW4cZv


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    #5
    Paul_Mc1988
    Registered Users Posts: 748 ✭✭✭Paul_Mc1988


    sirenoff wrote: »
    Thanks for your reply. It said tamper in lounge and didn't exactly say much. I am guessing its one of the sensors in window but I am not sure.

    Boards wont let me post pictures or link but here is a picture of what I disconnected - imgur.com/a/chW4cZv

    Yes it's most likely the window unless you have a PIR in there. The tamper spring might have dislodged you could take of the cover and have a look. Them sensors are only a few euro and simple enough to replace.

    Yeah that should be the power disconnected but as per the PM I typically pull the fuse and then disconnect the battery.


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    #6
    sirenoff
    Registered Users Posts: 4 ✭sirenoff


    Update: all sorted. I managed to figure out the circuit and fix the erroneous siren.

    For someone who lands in this thread looking for help, unless you are an engineer, hire an expert.


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    #7
    greasepalm
    Registered Users Posts: 5,338 ✭✭✭greasepalm


    What house was successfully robbed as it was powerless?:D:D:eek::eek:


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