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Posted by N8N on February 26, 2007, 4:19 pm
wrote:
> Art Todesco wrote:
> > mm wrote:
>
> >>> I know this isn't exactly OT for this group, but I couldn't find
> >>> anything in the comp.* tree that looked right.
>
> >>> I have 2 MGE UPS systems Pulsar 14+, that have been sitting around
> >>> unused for a year. (Long story about life getting in the way...) When
> >>> last used, they lit up and took a charge fine. I pulled them out
> >>> today, now that I finally cleaned out and rearranged my computer work
> >>> area, and wanted to put them back in service. Nada- no lights, no
> >>> noise, no nothing. I expected the
>
> >> What bob siaid. But while I'm here, every such thing I know should
> >> work somewwhat or maybe well without batteries if you have AC. I
> >> don't think this will help, but disconnect the batteries altogether
> >> and see if all but one light lights. If not, start iwth the basics,
> >> the cord, the switch, looking for damage on the circuit board.
>
> >> Maybe check the lights too. Maybe they share a common ground that is
> >> bad.
>
> >> And check the output. Maybe you do have 110 coming out of it.
>
> >>> batteries to be flat, but the light for the incoming wall power
> >>> doesn't even come on.
>
> >>> Anybody out there (Jeff W.?) have any idea what is going on? These
> >>> are from a garage sale, so no docs. I looked on vendor web page, but
> >>> didn't find anything about dying in storage. Did the batteries (gel
> >>> packs, like a fire escape light?) crap out completely? They were
> >>> never dropped, never frozen, etc. Any point in trying to repair or
> >>> replace the battery packs? Or are new ones so cheap it isn't worth
> >>> the bother? And just how do I get rid of these, if they are junk?
>
> >>> aem sends....
> > Just an add, some UPSs completely shut done with bad or no batteries. The
> > one right in front of me does that. I don't remember if the power
> > lights worked
> > or not with bad batteries, but I know the computer did not get any power.
>
> And to add to the above, if the batteries were sitting around for a year
> w/o charge, (and were old to begin with), they are probably completely
> dead. If they are 12 volts, you could take your car battery out and
> temporarily hook it up to the UPS to see if it would work. Or string
> together a bunch of flashlight batteries, preferably rechargeable
Easier and probably safer would be to simply buy a replacement
battery. If you have an ADI or similar store nearby, the batteries
used by a UPS are the same as the batteries used for emergency lights,
fire alarm panels, etc. - just match chemistry (likely sealed lead-
acid) voltage and amp-hour rating. take the old one(s) with you. I
am currently using a really old APC UPS to back up my cable modem (I
use a laptop) that I scavenged out of a junk pile; the only thing
really wrong with it was a dead battery which I matched up exactly to
a fire alarm battery which is in it to this day.
nate
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