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Exide Electonics One-Ups 250VA. I am turning on this unit after a long time and the green light on the front started blinking and after a few minutes it is still blinking. Does this mean it is recharging and if affirmative will it stop blinking when it is fully charged. Approximately how long should it take. Any tips to test. Thank you.

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  • 45 Answers

The OneUPS is a really old model that has been discontinued. I'm not sure if you've recently replaced the batteries or not. Assuming that you haven't, it's likely that the batteries are dead. Given the age of the unit, I suggest that you consider getting a new UPS.

Posted on Nov 14, 2014

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SOURCE: All battery charge lights flash simultaneously.

THIS seems the be the answer to your question. Hope this helps

Posted on Apr 29, 2010

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SOURCE: how do I test the compaq r3000 ups unit. no manuel available

ok here the user manual for compaq u are refering go to this web site: u be able to find it. ftp://ftp.compaq.com/pub/products/servers/proliantstorage/power-protection/r3000xr-whitepaper.pdf
or
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4SKPB_enSG294SG295&q=compaq+r3000+ups+user+manual

Posted on Mar 31, 2009

  • 55 Answers

SOURCE: Smart UPS 1500 - battery level green lights blink on and off

You need to run recalibration on the unit.  The supplied PowerChute software & cable will allow you to do this if you hook the UPS up to a PC (I know it works with the serial cable, not sure about USB).  If you only have a MAC then I cannot offer a solution other than to buy the standalone PowerView device from APC.  It will cost a bit more than a battery, but may save you from buying needless batteries in the future.  I finally broke down an bought one, but note that I was still having the problem after the 1st recalibration.  By trial and error (and maybe a vague memory) I put my MAC in sleep mode, that dropped the load to stop the lights from flashing.  Then I recalibrated with a 22% load and now it finally seems better (lights no longer flashing).  This was with a Smart-UPS 1000.
Let me know if that helps.

Posted on May 09, 2009

  • 19 Answers

SOURCE: APC Back-UPS ES 500: green light flashes&continuous warning tone

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."

  • 608 Answers

SOURCE: What does it mean by the beep sound from the UPS ES 350 unit?

Ok, 3-4 years is a much as you can expect from an ups battery so replacement is indicated. The beeps are letting you know the battery is not able to keep up with demand. So either you have recently added to the system or the battery/s failing.

Posted on Apr 25, 2010

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