Doing research on locked up Alarm panel Phenomena

["Nick Markowitz" <nick-markowitz@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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