Wired Ademco motion detector problem

Wired Ademco motion detector problem
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Subject Author Date
Wired Ademco motion detector problem Mike728 01-29-2008
Posted by Mike728 on January 29, 2008, 12:41 am
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I have an older wired motion detector in my home that the sensor light is
always on and will not allow me to secure that zone. Why does the sensor stay
lit constantly, it never used to? Is this unit bad?
Thanks


Posted by Bob La Londe on January 29, 2008, 12:44 am
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>I have an older wired motion detector in my home that the sensor light is
> always on and will not allow me to secure that zone. Why does the sensor
> stay
> lit constantly, it never used to? Is this unit bad?
> Thanks

Yup. Sounds like its relay is stuck. Just replace it.




--
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Posted by Mark Leuck on January 30, 2008, 6:04 pm
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I could see that if the zone was held hopen but what about the light?

> >I have an older wired motion detector in my home that the sensor light is
> > always on and will not allow me to secure that zone. Why does the sensor
> > stay
> > lit constantly, it never used to? Is this unit bad?
> > Thanks
>
> Yup. Sounds like its relay is stuck. Just replace it.
>
>
>
>
> --
> Posted via a free Usenet account from http://www.teranews.com
>



Posted by Frank Olson on January 29, 2008, 1:05 am
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Mike728 wrote:
> I have an older wired motion detector in my home that the sensor light is
> always on and will not allow me to secure that zone. Why does the sensor stay
> lit constantly, it never used to? Is this unit bad?
> Thanks
>


It could be. Have you checked your connections? If voltage falls below
a certain point on most motions, the unit will "open". The most common
cause for a drop in voltage is loose or bad connections (sometimes from
corrosion).

Posted by Nomen Nescio on January 31, 2008, 2:50 am
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>I have an older wired motion detector in my home that the sensor light is
>always on and will not allow me to secure that zone. Why does the sensor stay
>lit constantly, it never used to? Is this unit bad?

Maybe. You didn't say what type of motion detector it is; I'll assume it's
a passive infrared.

Take a piece of cardboard and tape it over the front window of the
detector. If the red light goes out, then the unit is seeing something in
the room it interprets as motion. For example, hot air blowing right on
the unit. If the light stays on even with the cardboard in place, open up
the unit and look for bugs or anything else that shouldn't be there. If
there's no obvious explanation and the light is still on, replace it.


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