Question about APC BX800 Back-UPS XS 800 (APNBX800) UPS System

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I am replacing the batteries on my apc 800xs and need to know the proper wire connections. The wires came off and I am not sure if I conncect red to red and black to black and yellow to black or red. Please help. Many thanks

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

viaujoc
  • 60 Answers

SOURCE: desk top APC UPS ES750 not communicating

Here is an answer I got from APC when one of my client got the same problem as you did:

The error message would pop up if the link between the computer and the UPS is weak. I cannot rule out a problem with the cable or the UPS. In order to confirm the same please try the following steps which might help :

1) Ensure that the USB cable is properly connected to the USB port of the computer.

2) If the PC was powered on before the UPS, communication will not be achieved until you disconnect and reconnect the USB cable to the host. In this case, you need to disconnect and reconnect the USB cable to establish communication.

3) Some other software is polling your USB port for another device, thus causing the UPS software to temporarily lose communication with your UPS. If this is the case, you would need to shut down that application.

4) If you have any other USB devices connected to the PC, disconnect them and then try plugging in the cable.

If the issue persists, please visit the following link which lists few troubleshooting steps :

http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_sid=oXhRFGEh&p_lva=&p_faqid=2923

Posted on Jan 13, 2008

  • 8 Answers

SOURCE: apc ups flashes red light to replace battery, but battery is new

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

  • 186 Answers

SOURCE: changing batteries

black is ground

Posted on May 02, 2010

tech240
  • 169 Answers

SOURCE: APC SmartUPS 3000VA

APC do not release cct diags and these are not easy to repair, if the battery fuse was open and there is some board damage, the thing is toast. Even if you get it going the battery will not be able to be calibrated, unless there the board/processor is 100%, I know this as we have a similar model on the bench right now with new batts in and the unit will not recalibrate, so even though the batts are new, as soon as the mains is dropped it goes to very low battery and shuts down in 2 mins.

Buy a new UPS save yourself a lot of time. Hope this helps

Thanks for using FixYA

Posted on Aug 02, 2010

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1 Answer

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Go to APC site and check model of replacement battery.
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Notice that the batteries are flipped opposite of each other.
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http://www.pcstats.com/articleview.cfm?articleid=1092&page=2

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Vote for this solution if it helps.

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Hi kumaraswamy5,
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On APC's website you can find the compatible batteries for your device and where to order them. Replacing the batteries is very easy so don't be afraid of that!
Greetings from Germany,
noris017
PS: Please don't forget to rate this advice after you've tested it out! Thanks in advance and have a nice day!

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Your batteries are weak...(causes
1:-not powering the UPS for a longtime
2:- long use(3 to 4 years) )...you will have to replace them
PLEASE RATE ME.................

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May i please know the model and the make of the product in details so that it can help me resolving the issue is a more prompt manner

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