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Posted by mikey on May 6, 2006, 3:58 pm
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every once in a while I go to connect a phone line to the BELL terminals on
a panel.
Growing old ain't no sissy game
> I assume that when you say external "BELL" you mean Siren and not Bell as
> bells ring and sirens wail.
>
> I assume this as a BELL cannot produce a "beeping noise"
>
> From your description of the problem it is quite likely that the fault is
> not with your R8 control unit but with your external sounder.
>
> Many sirens can make strange sounds especially if the voltage supplied
from
> the panel drops, this unfortunately can be due to many problems.
>
> The pulsing sound described in your manual for fire detectors is a
definite
> on & off sounding of the sounder and not a "strange beeping"
>
> It is possible that a low battery may have contributed to the sounds made
> (if mains power dipped slightly) but they are not a low battery warning.
> (However if the battery is over 5 years old it is due for a change anyway,
> most panel batteries will only have a life of 3-5 year life)
>
> Quite a common fault with Sirens is the Tamper circuit failing, with many
> models the Negative feed to the siren comes via the tamper circuit. It is
> quite possible that this circuit is starting to fail - partial failure can
> (depending on siren & control unit type) trigger the SAB unit in the siren
> to operate (or even partially operate as it sounds in your case) before
the
> control panel can register a tamper fault.
>
> It is also possible that if the hold off voltages go too low then the
siren
> can trigger on the SAB unit, this would normally be a full siren sound,
BUT
> if the Battery in the SAB unit in the siren is low it can also give
strange
> beeping sounds.
>
> Unfortunately the problem you describe could have many causes. I dont
> suppose that you happen to know the model of the external sounder as
someone
> may be able to offer more help if it is one that they are familiar with.
>
>
> > This evening my Veritas R8 decided to emit a loud 'beeping' noise on
> > its external bell. The alarm was not set and no internal alarm
> > sounded. I was unable to reset the external bell. The only way I
> > managed this was to trip the tamper alarm and then perform a user
> > reset.
> >
> > I can't help but wonder whether it was some kind of warning indicator,
> > e.g. battery.
> >
> > I'm just a bit worried that this thing will go off again at 3am.
> >
> > The alarm has smoke detectors and in the installation manual it states
> > that the external bell makes a pulsing sound if one of these goes off
> > along with an internal alarm. I didn't get the internal alarm.
> >
> > Does anyone know what may cause this problem ?
> >
>
>
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