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Problem with spc alarm and velux contacts...

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  • 29-09-2018 1:21pm
    #1
    Maximo23
    Registered Users Posts: 35 ✭


    Hi my alarm, Spc 43xx went off for apparently for no reason. Digging deeper i found that 2 contacts on velux windows, which are on the same line is were the strange problem appears. When looking at the input log of these i get weird ohm readings and only at certain times. I am posting the logs if anyone has any idea whats up. I havent opened velux windows in a while and the last part of the log u can see when i open/close the windows. 14 hours later and nothing is happening. Are the contacts not working or else?


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


    Could be anything on that zone. A faulty device or a bad connection or damaged cable.
    Have you a meter to check the resistance properly?

    If so proceed as follows:

    Disconnect the zone from the panel & remove any end of line resistors,
    Set you meter to continuity (200 ohms) and connect the pair to the 2 meter leads.
    on a length of cable long enough to reach all your windows on zone 3.
    Make a note of the reading in ohms. One by one tap every sensor & open and close every contact. After a tap or an open close the resistance should return to the around the same value. If it does not disconnect that device , close of the pair wired into it & move on. Replace any that you had to close off.


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