Re: Low Battery FBII-2P

[Jim Rojas <jrojas@xxxxxxxxxxxx>]

On 5/8/2014 12:31 PM, RTS wrote:
> Greetings,
> Got a strange one here..
>
> 8 year old FBII -2P   1 LCD key, I street smart remote keyswitch,  4
> combo pir/micro motion detectors, 4 glass breakage detectors, 1 7 amphr
> battery, 2 sirens
>
> Here's the thing about 10 days ago  it started displaying  "Low
> Battery"  ..
>
> Ok,  the Battery was changed..   6 hours later it displayed "Low
> Battery" Again..
>
> Another Battery was installed  just in case the first one was faulty..
> again  5-6 hours later  "Low Battery"..
>
> voltages  were   DC output  11.50 to  12.00  (ideally  should be 12.50
> to 13.50)
> current off battery    45 ma.. with AC      150 ma  without  AC  ( about
> right with the load  listed)
> current off panel    150 ma   with or without AC..  ( again about right
> with the load listed)
>
> Removed all motions, sound, remote keyswitch and sirens..   (only thing
> on panel was keypad)
> 15 minutes  again  it displayed  "Low Battery"
>
> Being frustrated   we removed panel  and replaced it with a boxed brand
> new FBII 2T.   (only thing on panel was keypad)
> Low and behold  15 minutes later  it too  started beeping "Low Battery"...
>
>
> No one seems to have an explanation  as to what's going on here..
>
> I put it out here  wondering if anyone might have some other ideas  or
> suggestions to try and remove  this   Gremlin .....
>
> ((Yes the one common  point between  both   panels  is the Keypad))
>
> Problem  is I can't figure how the keypad could cause a low battery
> indication to the panels sensing circuit..
>
>
>
> Thanks
> RTS
>
>
>
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Try reading the transformer, and take a reading of the AC outlet as
well. You might want to put in a larger VA transformer if all looks good.

--
Jim Rojas
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