Re: Doing research on locked up Alarm panel Phenomena

["Jim Rojas" <jrojas@xxxxxxxxxxxx>]

Sounds like Electronics Line Summit panels...

Jim Rojas


"Nick Markowitz" <nick-markowitz@xxxxxxxxxxx> wrote in message
news:7vgIg.6802$Xl5.5227@xxxxxxxxxxx
> Hello all
> I am conducting research on the Electrical Phenomena
> where alarm panels lock up and apear dead  with no visual display.  But ac
> power and dc are working to it.
> Have observed this several times now with  panels were  i power these
> panels
> down completly and repower and they come back up like nothing ever
> happened
> to them.
> Apears to be a problem in switching power supplies that has not been
> addressed by code making panels when certifying panels .
> Will be putting al this info together and sending to UL and manufactuers
> etc. for further investigation.
> to prevent this problem seems to happen mainly with thunder storms but not
> always have had happen on bright sunny days as well. it could be very
> disaterous where propertys are unattended and this condition is not known
> about till 24 hr test fails and a tech is sent to check it out.
> Thanks in advance for your help.
>
> --
> Nick Markowitz Jr.
>
> Markowitz Electric Protection
> Private Industry Fire Investigator.
>
> Contributing Editor Pa. Firemans Magazine
>
> Contract Broadcast Engineer WAVL  910 AM Apollo Pa.
>
> ----------------------------------------------------------------------------
> ----------------------
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> is when you keep doing things the same way and expect different results  :
> Albert
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