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Home intercom, door answering system which wont work

I have just moved into a house which has a basic intercom system built into the wiring of the house. unfortunately it seems to be pretty dead.i have opened up the phone handset inside the house and it all looks pretty well connected. I opened up the outside intercom and it looks fine though there did seem to be two loose (ish) wires hanging free. I also tracked the wiring into the house, and it seems to have its on control box, beside the mains electric box. do you know any basic fixes for this type of system?

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  • eradiostore
    eradiostore May 11, 2010

    This should be a low voltage system, much like a door bell uses. If the wiring running from the control box to the intercoms looks like speaker wire, it is a low voltage system. Check to see if you have power to the control box. Then using a simple electrical tester, check to see if you have power in the control box, and also at the intercoms. If this appears to be okay, then look for places where the wires may be touching (shorting) inside the connection areas. Also look for frayed or smashed wires. Replace if necessary. If all these things look good, talk to a residential electrician, they install many of these devices, and would be familiar with the interworkings.

  • jessesToons Jul 25, 2013

    This is a really great question. I've never dealt much with door systems in Chicago, before. I'd love to learn more about them and how they work. Nothing is worse when you get a problem llike this.

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Posted on Oct 04, 2008

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