[ale] OT: question about replacing batteries in a APC UPS

[Courtney Thomas]

Pardon my ignorance, but what kind of tester are you recommending, how 
does it work and what does it test for, please ?

Thank you,
C.Thomas

Christopher Bergeron wrote:
> Before blasting APC, was your power source cleanly grounded; or did it 
> have an open loop?
> 
> I'd recommend testing your outlets with a cheap home depot tester before 
> installing a UPS.  A UPS will only be as reliable as the power source 
> beneath it.
> 
> -CB
> 
> 
> Mike Harrison wrote:
> 
> 
>>>worse. The unit started beeping nonstop and would shut itself off and
>>>then wait for a minute or so and turn itself back on only to start 
>>>beeping again, and the unit doesn't keep running if the power is pulled 
>>>   
>>>
>>
>>I could have described it as an APC UPS from this description alone. 
>>Trash it. Buy a cheap Tripp-Lite or non-name brand, It'll work better, 
>>longer. 
>>
>>Twice in my life I've open the door to my old NOC to the acrid smell
>>of burnt components and smoke and found a rack mount APC UPS 
>>clicking on and off in that cycle. 
>>
>>The other weird thing about APC's is many of them switch 'on' for 
>>frequency shifts in the line frequency.. and it does not take much of a 
>>shift. This is a real problem if your generator oscillates a little on 
>>center frequency. Most other UPS's switch on missed pulses/cycles or 
>>average voltage drop. I've seen bad line power frequencies that bothered
>>nothing else cause an APC's to "eat itself". 
>>
>>
>>
>>
>>
>>
>>
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> 
> 
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