Burglar Alarm Repair - General DIY Discussions - DIY Chatroom Home Improvement Forum

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Old 01-24-2010, 10:42 AM   #1
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burglar alarm repair

The connection between my alarm and two sliding windows has come loose. There is a small box about the thickness of a pencil and 2" long that hangs loose at the top of the wondow when I open it. It is obviously supposed to make some kind of connection with the sliding window when closed. The wires are not broken and the alarm system shows the window as "open." Is the repair as simple as gluing the piece back to the top of the window frame?


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Old 01-24-2010, 11:53 AM   #2
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The repair could be that simple. The piece you are describing sounds like a "magnetic switch". Look at your window(s) to see if there is a small piece of metal attached (maybe glued) to either one or both windows approximately where this little box is hanging. I'm thinking this little box that is hanging should also be glued/epoxied to your window frame (not the sliding part), and when your window is closed the little piece of metal makes the magnetic switch activate. This tells your alarm system the window is closed. Being as the magnetic switch is now hanging, the magnetic switch doesn't recognize any metal near it and thinks the window is open. Look to see if there is a tell-tale sign of the magnetic switch being glued/epoxied to the window frame somewhere. Usually you can push the wires straight back up into a hole they are coming out of and the switch will re-align. The metal plate on your window may also be gone and this will not allow the switch to work, it needs to be there. Hopefully this will be an easy fix for you. Good Luck, David


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Old 01-24-2010, 12:25 PM   #3
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Ronnie, when you re-glue the switch, make sure that you leave a very small gap. Look at other door or window contacts in your home to see the spacing. The problem could have occured because the contact was too close to start with. With this type of switch, close is what you want, not full contact.

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