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What is this?

  • 10-05-2018 3:11pm
    #1
    mloc123
    Registered Users, Registered Users 2 Posts: 9,454 ✭✭✭


    Can anyone tell me what this is? I presumed it was some type of relay etc.. that is associated with our house alarm. It makes a humming noise currently which is getting annoying :)


Comments

  • #2
    crashplan
    Registered Users, Registered Users 2 Posts: 172 ✭✭crashplan


    That looks like an internal alarm sounder. Should make lots of noise when the alarm is activated.


  • #3
    mloc123
    Registered Users, Registered Users 2 Posts: 9,454 ✭✭✭mloc123


    crashplan wrote: »
    That looks like an internal alarm sounder. Should make lots of noise when the alarm is activated.

    Thanks, it has a constant low level hum from it at the moment... assuming it might be faulty


  • #4
    crashplan
    Registered Users, Registered Users 2 Posts: 172 ✭✭crashplan


    mloc123 wrote: »
    Thanks, it has a constant low level hum from it at the moment... assuming it might be faulty

    Yeah could possibly be faulty. Do a bell test on your system to check it.


  • #5
    degsie
    Registered Users, Registered Users 2 Posts: 8,755 ✭✭✭degsie


    It's a 'Sound Bomb', internal sounder.


  • #6
    KoolKid
    Moderators, Home & Garden Moderators, Technology & Internet Moderators Posts: 24,789 Mod ✭✭✭✭KoolKid


    Sometimes a 2k2 resistor across the bell + & - can get rid of that hum.
    What panel is it connected to & what type external bell do you have?


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