Re: Keypad says "check"- can't figure out what's wrong

[Mike C <michaeljc70@xxxxxxxxxxx>]

On Mar 16, 1:00 pm, G. Morgan <no...@xxxxxxxxxx> wrote:
> Mike C wrote:
> >I have an Ademco keypad from an ADT installed security system. I long
> >ago dumped ADT. Anyway, it says "13 Check" on the display.  The keypad
> >is wired, but the rest of the system is wireless.
>
> >I have only 3 door sensors and 2 motion sensors. All 3 doors beep when
> >I open them.  The 2 motion detectors red light goes on when I
> >approach.  I am not sure what could be causing the "13 - Check". The
> >alarm seems to function just fine otherwise.  Any ideas?
>
> >Although I added 2 wireless keyfobs to the system myself, but I am
> >otherwise fairly ignorant as to what system I have an details of the
> >setup.
>
> It's telling you that zone 13 is in trouble.   How old are the batteries in
> the transmitters?
>
> --
>
> -G

Batteries are old- probably 5 yrs.  I replaced the batteries on one
motion detector thinking that was it.

So, check can mean low battery?  Since I don't know which zone is
which sensor, I guess I can just replace the batteries on all of them
since they are old.