Re: Troubleshooting Question

[Crash Gordon® <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

A latching toner helps turn this into a one man job too.

Also with ohmmeter check for shorts to window frames or ground.



"Frank Olson" <feolson@xxxxxxxxxx> wrote in message =
news:CdBse.1720214$Xk.155393@xxxxxxxxxxx
>=20
> "J P Shull III" <jpshull@xxxxxxxxxx> wrote in message=20
> news:ZQAse.1870$Nz2.84@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > 10-20 openings on one zone.  Intermit falsing.  Need step by step=20
> > troubleshooting guide.  Special Tools?  Mine don't seem to work.  =
Same for=20
> > 10-20 openings one wire to panel.
> > Thanks in advance.
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> First off, determine exactly how many openings you're dealing with and =
what=20
> kind of contacts.  Check each contact individually and make sure the =
magnets=20
> line up.  I've seen some instances where self-adhering surface magnets =
have=20
> worked loose (or the backing has been exposed to moisture) and have =
moved=20
> far enough away from the contact that an intermittent "open" will =
occur.  On=20
> some recessed contacts, the door or window frame may have warped =
enough to=20
> cause the same condition.  In the latter case a simple "fix" is to =
insert a=20
> flat-head screw next to the magnet (on the side closest to the contact =
when=20
> the opening is closed/locked) that's (at the most) half the length of =
the=20
> recessed magnet.  This will change the magnetic field in such a way as =
to=20
> bring it "closer" to the contact.
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> By all means check the loop resistance as Robert Bass has suggested.  =
This=20
> would determine whether-or-not you have a wiring problem caused by =
corrosion=20
> or a poor connection.  Have someone stand at the panel while you go =
around=20
> and "thump" all the openings.  If your meter "twitches" at any one, =
I'd=20
> first suggest replacing the magnet or repositioning the existing one.  =
If=20
> the problem persists after you've done this it's time to pull the =
contact=20
> and replace it.
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> After you've done all this, it's time to break the circuit.  Start in =
the=20
> middle and work your way to the ends.  If you have to replace every =
single=20
> contact.  It sounds to me like this system was either installed by an=20
> individual that received about an hour's worth of instruction over the =
phone=20
> or it's an old system of the type that employed a single loop for=20
> everthing...  "Micropulse" comes to mind...
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> Good luck!!!=20
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>