Question about APC Smart-UPS 1000VA UPS System
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Posted on Jan 02, 2017
i think by replacing the battery has not been the solution to the problem
u need to check the battery charging voltage when turned ON with main electricity, if no voltage present from charger, there is no question of battery getting charged and also once the battery is down with charge it may not re charge hence the indicator and alarm.
recomended to nearest service centre
Posted on Sep 13, 2008
my apc smart ups sc 1000 do not switch on. when i need to chage no any light open in normal its open two secont then its quiet. how to do it?
Posted on Mar 13, 2009
SOURCE: APC Smart-UPS RT 1000VA
Hello Dear Specialists I have a problem with the APC Smart-UPS smart 1000VA: when I insert the
power plug in the wall outlet in one ups , indicate the AVR Boost ups regulating low AC voltage, when I measuring the AC city power voltage that is 207v .whey this ups is not working about the AC low voltage? ,but it should be work from (170v ~ 230v) AC input volte.please solve this problem, which element of AVR from the ups is failed or wrong and give me free circuit diagram low & high AVR and charger and inverter circuits. thanks allot
Posted on Jun 17, 2009
On this unit, the likely culprit is the battery and that it needs to be replaced.
With that, you may want to think about the pros and cons of replacement versus buying an entirely new unit.
This unit is a relatively low end ups and the surge supression uses MOVs that wear out with repeated absorption of energetic spikes. That's why the better (and higher cost) UPSs and surge suppressors don't use them. They're not really that good anyway due to their relatively high transient impedance. The better equipment uses a "transorb" -- basically a back-to-back high voltage zener diode optimized for low breakover impedance and high instantaneous power capability. Unless the transient exceeds the design parameters of the circuit, these do not wear out and do not degrade. That being said, I will assume that you would likely replace this unit with a similar one.
The flashing may not be the battery at all and may be the charging circuitry, thus your new battery may not live very long (half the life that you would expect.
Many batteries out there are refurbs and have issues as all used parts do.
If you contact APC, they will likely give you a 35% discount on purchasing a new product.
The difference in price in the battery replacement vs. ups replacement at this level may only be a few dollars more.
I promise that I am not a UPS salesman, I just deal with many on a daily basis; therefore I am giving my two cents to try to thelp you avoid problems a year from now.
Posted on Dec 30, 2009
Testimonial: "Outstanding answer with right amount of detail. I swapped battery with identical APC UPS that I have and vfd that battery was cause of warning tone."
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