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I have a Tecom 800VA UPS. when i connect to the AC supply it is not working. someone help please.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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pravinbhavsa
  • 348 Answers

SOURCE: emerge UPS 500va special power supply not working..

there is a fuse behind the ups which can be removed by opening the socket replace it if faulty
and you can operate the ups

Posted on Nov 27, 2008

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jvpacoin
  • 91 Answers

SOURCE: charging apc 800va through home generators

The reason of this is the UPS cannot adopt on the frequency that is being generated by your home generator. you should use APC smart ups series coz smart-up series can work on a wider input frequency range.

Posted on Aug 14, 2009

TOLhamRadio
  • 509 Answers

SOURCE: Belkin doesn't work

Battery has a limited life. You must leave the UPS plugged-in all the time and the computer plugged into it.

Posted on Dec 29, 2009

SOURCE: I HAVE HP 800VA UPS AND I WANT TO ATTACH A 12V

Well you see it may not charge properly, on the other hand it may just trickle charge it so ok. It will NOT hurt anything though it would just last longer.. providing it gets charged.

Posted on Jan 28, 2010

Geekman
  • 32281 Answers

SOURCE: Hello, could you please let

The batteries in an UPS are sealed lead acid batteries. The voltage and amp hour rating depends upon the VA rating of your UPS.
I suggest you shut down your UPS and remove the batteries and get replacement ones that are the same rating as the ones in the UPS. Be careful of the size of the battery, they are a neat fit inside the UPS battery compartment.

Posted on Oct 05, 2010

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Yadava,

If you need pricing on a new or replacement unit I can help. You may also want to look into APC's Trade-Ups program where they give you a discount on new equipment as long as you provide a serial number for your existing: http://buy.apc.com/commerce/storefronts/tradeups/

If you need UPS, Surge, or Power Related help contact:
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Computer restarts as soon as power goes off, its not an ups . When i manually turn off the power to the UPS, it switches / relay works fine, but if actually if there is a power outage the relay does not...


Your question is slightly confusing. Do you mean that the computer is not powered by a UPS? If the computer is not connected to the UPS, then why have a UPS? If the computer is not connected to the UPS and restarts when you turn the UPS On, your circuit feeding the UPS is overloaded and the voltage dips. If the computer is connected to the UPS, and restarts when there is a power outage, the fault may lie in the reaction of the HP 800. This unit looks to be a line interactive unit and it is not a true on-line UPS. The line interactive and battery backup (no voltage regulation) units both should have a switch to battery power time of 4 msecs, or less. If this unit is faulty and the switchover time is longer, it will not continue to hold up the computer internal power supply. If you are trying to run a laser printer on the HP unit, it won't have enough output capacity.

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Ups pulsetech of 800va not working on ac mode what will be the probable fault.


If you do not know how to troubleshoot this yourself then you should not work on it!
A UPS CAN KILL YOU! EVEN WHEN IT IS UNPLUGGED AND TURNED OFF!

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I just replace the battery in my APC RS 900 unit because the red indicating light was telling me to do so. I installed the new battery and the red indicating light is still telling me to replace the...


Sorry to read about your problem, I hope this helps you out.

let it charge 24 hours, and see if it works

I tried to help you. Please help me and Rate/Vote on my response, thanks and good luck

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My UPS Turns itself off


This advice relates generally to small UPS units.

More than likely it was the UPS that was beeping because it was supplying the power from its inbuilt battery, rather than the CPU. From the model number, I would predict that this particular UPS is an 800VA unit. Presumably it has worked reliably since its original purchase.

You may be experiencing power network disturbances that are resulting in low voltage (otherwise known as 'brownout'). This could be a 'new' or 'temporary' power issue or something that may now be more permanent. Some examples of 'new' issues that can lead to low voltage include: a neighbour operating a large welder, an X-Ray clinic opens next door or the power supply authority incorrectly adjusts transformer output or overloads the grid (new subdivision?). Look for likely external issues and if found address these with the relevant party.

Be aware that an 800VA UPS may only run a PC for 10 -- 15 minutes (not 45 minutes or more) before the battery is flat and the unit shuts down and has to be restarted. It can also take many hours for a battery to fully recharge and if there are repeated demands on the UPS to supply power over this time then the recharge period will be extended.

Also check that you have not overloaded the UPS by connecting any printers or non-computer loads to the battery-backed supply, especially laser printers which can easily overload a small UPS when the fuser operates.

If chronic unresolved low supply voltage is a problem, check the user manual / software. Some UPS manufacturers provide adjustments for the lower voltage threshhold -- i.e. the supply voltage at which the UPS will come online to supply the load. This can be reduced to avoid unnecessary operation of the UPS.

Finally, a typical life for a small UPS battery is around 2 - 3 years. Problems described could be attributed to a failing battery.

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I am assuming that nothing is plugged in when powering up. This usually means that there is a short or damage to the unit. This forum discusses the issue: http://www.apc-forums.com/thread.jspa?messageID=15110

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Charging apc 800va through home generators


The reason of this is the UPS cannot adopt on the frequency that is being generated by your home generator. you should use APC smart ups series coz smart-up series can work on a wider input frequency range.

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