Re: First Alert FA-210 panel keeps beeping

["dchou4u@xxxxxxxxxxx" <dchou4u@xxxxxxxxxxx>]

On Aug 25, 5:11=A0pm, ransley <Mark_Rans...@xxxxxxxxx> wrote:
> On Aug 25, 4:53=A0pm, "dcho...@xxxxxxxxxxx" <dcho...@xxxxxxxxxxx> wrote:
>
>
>
>
>
> > On Aug 25, 2:50=A0pm, "dcho...@xxxxxxxxxxx" <dcho...@xxxxxxxxxxx> wrote=
:
>
> > > On Aug 25, 1:35=A0pm, ransley <Mark_Rans...@xxxxxxxxx> wrote:
>
> > > > On Aug 25, 2:39=A0pm, Dennis <dcho...@xxxxxxxxx> wrote:
>
> > > > > Hi, I have a 10 year old First Alert FA-210 panel which shows LO =
BAT
> > > > > off and on, but there is no zone number info. Sometimes the panel=
 will
> > > > > keep beeping until I press any key on the keypad to turn the beep=
ing
> > > > > off. According to the manual, it says it is due to low system pow=
er
> > > > > condition. But I checked the AC power and it seems to be feeding =
the
> > > > > correct voltage to the control box. Any clue?
>
> > > > > Thanks
> > > > > Dennis
>
> > > > Good systems have backup batteries so a thief cant just disable the
> > > > power, or come by during a power outage, mine has a 12v lead acid
> > > > battery I can get at Ace, open the panel and see, and google for an
> > > > instruction manual.
>
> > > So does the board in the box run off the battery even when A/C power
> > > is functional? I always thought the board is running off the A/C powe=
r
> > > and the battery is used only when A/C power is disabled.
>
> > > Thanks again for all your help
>
> > By the way, I used a voltmeter to measure the voltage on the battery
> > and it seems OK. I measure the battery voltage with A/C power adapter
> > connected to the wall outlet.
> > Just wondering how the battery may be bad if the voltmeter indicates
> > an acceptable battery voltage at its leads.- Hide quoted text -
>
> > - Show quoted text -
>
> Ok , what ok, 12.2 v is 25% charged, 12.8 is 100% for most set ups and
> thats not connected.

The battery is an Ultratech UT1270 12V 7Ah. Yesterday I disconnected
the A/C power supply and let the battery drain. Today the battery is
totally drained. I plan to get a replacement battery, maybe a 12V 4Ah
one.