Re: Thorn Autocall

[rugbug14@xxxxxxxxx]

On Dec 1, 3:55 pm, "thomas.gerc...@xxxxxxxxx"
<thomas.gerc...@xxxxxxxxx> wrote:
> On Dec 1, 1:31 pm, Frank Olson
>
> <use_the_email_li...@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> > socko wrote:
> > > thomas.gerc...@xxxxxxxxx wrote:
> > >> Does anyone deal with this addressable fire system? Why does a module
> > >> cause multiple troubles on the panel, and even false fire alarms
> > >> indicating a totally seperate module?  Help!
>
> > > sounds like a thorn alright, in your side.
> > > ;)
>
> > Actually this particular "problem" is fairly common to "distributed" or
> > "addressable" systems.
>
> A thorn in my side for sure.
>
> Any Autocall people out there?
>
> Thanks everyone for the replies.
>
> Normally, I've found that the addressable fire systems will give me a
> trouble when a module is begining to go haywire as it misses it
> polling sequence.  With this panel and modules, as a module starts to
> become defective, either every module on the loop goes into trouble
> for an instant, or an alarm happens on an unrelated module.  This is
> very disheartening.  I find it very hard to believe that the Thorn
> Autocall passed any UL inspection with this monkey-business.  Maybe
> that's why they are not in the US anymore.
>
>  I was mainly soliciting anyone whom may have had experience dealing
> with this particular panel.  Also, the modules tie into Autocall
> TFX-400 panels and network back to the main panel..
>
> I used to post and read in this newsgroup quite a bit; years ago.  Not
> suprisingly are the helpful and numerous replies.   That's why I
> thought about posting my dilemma here to begin with.
>
> I have taken very detailed readings on all the legs of the wiring.  I
> am convinced that a module(s) is the culprit.  Yes, since the system
> is 15 years old it's time to upgrade (only because of this problem).
> (I am not one to advise the customer to upgrade for the sake of more
> bells and whistles for the technician, but this system has the Fire
> Department running on troubles!)

it's one of  the easier fire alarm panels that Grinnell fire ever
had.if you know what you are doing you can isolate the bad
device in no time. the panel has a fast access system built in it.you
should be able to see raw data as they come into the system.