Re: Unusual behaviour DSC-864ULC

[James B <denco2@xxxxxxxxx>]

On Jun 8, 8:08=A0am, <petem...@xxxxxxxxx> wrote:
> "Frank Kurz" =A0a crit dans le message de groupe de discussion :
> L7KdndLWSvv7Y3PQnZ2dnUVZ_gadn...@xxxxxxxxxxxxxxx
>
> On 07/06/2011 9:18 PM, mleuck wrote:
>
>
>
>
>
> > On Jun 6, 12:25 am, Frank Kurz<t...@xxxxxxxxxxxxx> =A0wrote:
> >> OK... This is the second call I've attended on this control. =A0It's l=
ess
> >> than a year old. =A0The last time this happened was two months ago and=
 the
> >> problem had cleared by the time I'd arrived on site. =A0This time arou=
nd
> >> however, the AC light was "off" and the system looked to be running on
> >> battery.
>
> >> Here's the troubling part. =A0Voltage at the AC terminals was 16.9VAC.
> >> Charging voltage was 13.2VDC. =A0Yet the panel was displaying an AC fa=
ult.
> >> =A0 =A0There is no visible problem with the board. =A0I've downloaded =
the
> >> software and checked all the relevant locations. =A0Panel's programmed=
 for
> >> 60Hz, etc. =A0This looked to me to be a board level problem. =A0I
> >> disconnected the battery (didn't touch the AC) and the system "died". =
=A0I
> >> reconnected the battery and nothing happened. =A0I then disconnected t=
he
> >> AC and reconnected it. =A0Panel comes back on line (displaying the nor=
mal
> >> clock failure trouble). =A0Reset the clock and the panel clears and
> >> operates normally.
>
> >> Since this is the second time the same trouble has appeared, I figured=
 I
> >> should replace the common control (to be on the safe side). =A0I swapp=
ed
> >> the sucker out and downloaded the information from the old system to t=
he
> >> new one. =A0Everything works. =A0All zones annunciate. =A0I'm gonna ta=
ke the
> >> old MB and set it up at the office. =A0Anyone encountered this problem
> >> before? =A0I'm thinking this could be a "hold-over" from that batch of=
 bad
> >> rectifiers but the strange thing is the panel is only seven months old
> >> and the power section of the board looks to be completely normal.
>
> >> Oh... =A0One more thing. =A0The station received an AC Failure signal =
with
> >> the restore when I reconnected power.
>
> >> Weird.
>
> >> --
> >> Frank Kurzwww.firetechs.net
>
> > It takes you months to figure out you should replace the board?
>
> Yep. =A0System was clear when I arrived on site the first time. =A0Event =
log
> only showed an AC failure. =A0Customer wasn't home when it happened and
> couldn't verify that he actually had one. =A0Other than this first event
> two months ago, the system has been trouble free. =A0Anything else you
> want to know? =A0:-)
>
> ----------------------------------------------------------------------
>
> No he wont need that you tell him anyting more.. cause he knows.. he know
> every thing.. even the color of you shorts..
>
> By the tone he used he is telling you that he would have known that the
> board was in problem and that he would have changed it the first time..
> cause he would have known..How?? dont ask... but he knows!- Hide quoted t=
ext -
>
> - Show quoted text -


Thanks Petem I needed a good laugh.... :)

James B