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ASTEC Alarm - Troubleshooting which contact may be the issue?

  • 01-05-2013 9:56am
    #1
    eddiem74
    Registered Users, Registered Users 2 Posts: 2,027 ✭✭✭


    So the last two nights my ASTEC alarm has sounded showing the trigger as the downstairs front window contacts.

    Both nights were calm weather, no rain or anything and I could see or hear no one outside before or after. Plus a check during the day shows no sign of someone being at the windows.

    So my next guess is that a contact may be faulty?

    How would I check or confirm this?

    Thanks for any information or guidance.


Comments

  • #2
    KoolKid
    Moderators, Home & Garden Moderators, Technology & Internet Moderators Posts: 24,789 Mod ✭✭✭✭KoolKid


    The best way is to check the resistance on the whole zone.
    See post 9 here
    http://www.boards.ie/vbulletin/showthread.php?t=2056655452
    If you have no multi meter another option is to change the sensors with another zone one by one and see if the problem moves to that zone.


  • #3
    eddiem74
    Registered Users, Registered Users 2 Posts: 2,027 ✭✭✭eddiem74


    So I am a total novice here and don't have a multi-meter.

    From reading the astec user manual I bypassed zone 3 and decided I would then open the cover on each contact sensor and see if anything was obvious.

    4 contact sensors looked fine, all wires connected, and cover screwed on nice and tight. There was no play or movement when I initially tried to wiggle the cover off.

    Number 5 of 6 was slightly loose to the touch prior to removal, however all wiring looked fine inside, and it was tighter once refitted.

    Number 6 of 6 I did not check for tightness prior to removal, however on this one the wiring/connector came off with the cover. It seems as if its not stuck to the window bracket like the other 5 are, if fact I think there might be a piece missing or broken which is needed to facilitate that. All wiring seems fine but even when I put back on the cover it is ever so slightly loose to the touch/wiggle and would actually come off with minimal effort.

    I guessing sensor 6 of 6 may be the issue, although in saying that I think it has probably been like that for some time. :confused:

    Anyway, will set the alarm again tonight and see if my fluting around has helped or things are still the same. :o


  • #4
    KoolKid
    Moderators, Home & Garden Moderators, Technology & Internet Moderators Posts: 24,789 Mod ✭✭✭✭KoolKid


    Well maybe start by disconnecting sensor 6. Is there one or two wires going into that sensor.


  • #5
    eddiem74
    Registered Users, Registered Users 2 Posts: 2,027 ✭✭✭eddiem74


    KoolKid wrote: »
    Well maybe start by disconnecting sensor 6. Is there one or two wires going into that sensor.

    Seems to be 3 wires: 1 red, 2 twisted black and another single red. I believe they are all the same, took this pic from a more accessible contact.

    251931.jpg


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


    Disconnect the 2 reds and twist them together.
    That will take that sensor out of the loop.


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