Powercom BNT-400AP (bnt400ap) UPS System Logo

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Posted on Sep 13, 2007
Answered by a Fixya Expert

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Power issue? When I turn it on it works fine for about just 20 minutes and then it goes off, any ideas what the problem could be? Thanks!

  • Anonymous Dec 13, 2007

    when i switch on the ups it runs for a few seconds

    after that it makes a clicking noise & then switches off

    i suspect that it was shorted out

    thanks

  • Anonymous Jan 02, 2008

    My UPS is Charging & giving output from battery only, while switched on the ups is not switched to mains.

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  • Master 6,966 Answers
  • Posted on Sep 14, 2007
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Joined: Apr 06, 2007
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Hi, More often than not, it is the internal battery of the UPS that causes switching off. In some instances it may be that too many devices are attached and drawing power from the UPS. In rare instances, it is the electronics controller that is at fault. 1. Since checking the battery involves opening the unit, you may be better off seeking the services of a qualified professional (there are dangerous voltages inside the unit even when off); 2. Try removing some of the devices connected to the UPS and simply leave the PC itself connected to the UPS. All others may be plugged in to the mains; 3. Checking if it's the electronics would be similar to # 1. Hope this be of some help/idea. Post back how things turn up or should you need further information. Good luck and kind regards.

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