Re: Ademco Vista 'OC' display problems...

[G. Morgan <n@xxxxxxxxx>]

Nick Lawrence wrote:

>Hi guys, thx for the input and suggestions.. here's more info:
>
>Fixed display, not alpha: displays OC.
>
>No lightning.
>
>Replace boards? Yes, could do that, but hoping to identify underlying
>problem, if it exists, so the replacement boards do b=not go bad too.
>
>I've just never seen a panel cause an OC condition, its always been the
>wiring.
>
>Any more thoughts?


The next obvious step would be to wire the keypads directly to the
panel to eliminate any field wiring problems and isolate bad panel/KP.
The only time I've seen them do that is with lightning damage to the
panel (fubared ECP bus).



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-G