Re: Vista 20 - Alarm Sounded in middle of night and turned off on its own.

[Danny <d@xxxxx>]

KRTYSteve wrote:
> I have an ademco vista 20 with a 6150 keypad.  Have had it for about 3
> years.  In the middle of the night last night, the alarm sounded for
> about 15 seconds, then turned off on its own.  There was no record of
> anything happening on the keypad...in fact it still had the red light
> as if it was armed and ready....And nobody called us from the
> headquarters.  So it's as if nothing happened, but I can't figure out
> why the alarm sounded.
>
> Anyone heard of this before or have any ideas what may have caused
> this?
>
> -Steve
>
phone line monitor?