Question about APC BE500R Back-UPS ES 500 (BPAPWBE500R) UPS System

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My APC 500 ES ups has continuous beep when powered battery or AC mode what seems to be the problem

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  • 83 Answers

Hi
Make sure the batteries are good, if not will have to replace with new

Posted on Jul 23, 2014

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Posted on Jan 02, 2017

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Chris Hingee

  • 32281 Answers

SOURCE: hi in my apc es 500 the amber and green light is

Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault.

These lower powered and cheaper type UPS are switch over types, when the mains supply fail, the UPS switches over to the battery and inverter in milli-seconds which then supplies mains power. A faulty inverter circuit and or flat batteries won’t deliver standby power when the mains supply fails.

Posted on Nov 12, 2009

Anonymous

  • 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."

Mike2304

  • 28 Answers

SOURCE: green light flashes with a constant buzzing sound

It sounds like you need a new battery. If the APC is more than 3 years old, that is likely the problem. You can get a new battery from http://www.batteryinternational.com/apc-backups-es-be500u-ups-battery-ups-batteries-f2.html

Posted on Jun 23, 2009

modlara

  • 111 Answers

SOURCE: i want to connect an automotive external battery

you can get an old ups with bad batt. cheap,take out bad batt,hook yours in,or get a small battery charger(2/10 amp),an inverter(about a 1000watt),plug in charger, hook to batt.,then connect inverter to batt,plug computer into inverter,turn on inverter and you should be good, keep in mind all inverters are not same,get one at a computer store that will handle what your computer draws(watts), if your ups is good and you're trying to expand batt. capacity, the batts. in the ups are not lead/acid,so it's not a good idea to connect different types and sizes or an old batt. to new one,chargers are different too,what I described at top is basically a ups

Posted on Feb 01, 2010

RAGHU

  • 401 Answers

SOURCE: red light and beeping

change the battery

Posted on Mar 11, 2010

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Hi Lasantha,

Check the battery in your UPS - it's most likely going bad and you will need to replace it.

If you need UPS, Surge, or Power Related help contact Daniel @ Power & Systems Innovations 800.260.2259 or go to our website: http://psihq.com/
** If this helped - Give it a Thumbs Up :) **

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The Back-UPS Office unit has five different tones or alarms:

1. Four beeps every 30 seconds (On Battery LED will be illuminated)
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2. Continuous Beeping (On Battery LED will be illuminated)
This alarm indicates that a Low Battery condition has been reached and that the UPS will soon shutdown. Once the UPS transfers to On Battery operation, it can only stay on battery for a limited amount of time. The UPS will sound this alarm about two minutes before the batteries are totally exhausted. Once exhausted, the UPS will shutdown and turn off its output power to your equipment. If you hear this tone you should immediately shutdown your computer to prevent data loss or corruption.

3. Continuous Beeps for 30 seconds (Back UPS OFFICE 250 and 280 ONLY)
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4. Continuous Two-Tone Beep
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Apc


1) Switch Off the UPS and unplug all Loads (like System, Monitor etc.) from UPS.
2) Switch Off the AC Power (Input Power to UPS).
3) Press the UPS Power Switch constantly unless you hear 2nd BEEP Tone. As soon as you are hearing 2nd BEEP Tone, Release the Power Switch.
4) This is COLD START of all APC UPS that will reset any internal problem.
5) If, however, the problem persists, contact APC.

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