Question about Powerware 9120 UPS System

1 Answer

Trying to repair my Powerware 9120. A while ago it was gracefully shut down after an extended outage and when we turned it back on it emitted a flash of light and a bang through the air vent. I assumed it was probably unhappy about the poor state of its batteries, I took them all out and recycled then and am now trying to get the ups going again. I replaced a fuse (f3) that had blown (5 meg ohms resistance). No skidmarks I can see, haven't ruled out a dry cap. I've tried to power it up, without batteries, it's making a ticking noise towarsds the front of the board and the TO-220 over by U06 is getting a bit hot... U06 would be about where to the ticking noise is coming from too. At a guess, it's part of a switch mode supply and something has gone wrong. Nothing else in the unit is getting hot so I don't think the power supply is driving anything Anyone got any pointers for where to start?

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  • Powerware Master
  • 1,445 Answers

Hi see some of these answers it may help

http://www.fixya.com/support/t24235663-powerware_9120

Posted on Feb 20, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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ijay
  • 82 Answers

SOURCE: UPS TRIPS AFTER 30 SECONDS

dear, This problam is related to battery and i am sure your battery is faulty pls replace it.

Posted on Sep 25, 2007

  • 1 Answer

SOURCE: power swith ic went bang!

unfortunately these boards are now obsolete, it may have damaged the bridge rectifier

Posted on Jan 10, 2008

Marrie
  • 563 Answers

SOURCE: Benq PE8700 - Won't Power Up

Hi there

Trust me that the Mainboard needs replacement.

I am very familiar with the PE8700's as I am a ASP Technician for BenQ.

Visit www.BenQ.com and look for the link to your country - you should be able to allocate a Approved Service Provider.

Must warn you that the Mainboards on these models are quite expensive.

Posted on Apr 01, 2008

emissionwiz
  • 84529 Answers

SOURCE: shuts off while driving. no fuel pressure. pcm fuse blows/ fuel pump relay inserted.

Sounds like the fuel pump is shorted.

Posted on Nov 03, 2008

  • 195 Answers

SOURCE: I have a Powerware 9120 2000 UPS battery failure message

Hi,

After you replaced the batteries did you perform a manual battery test?

If not do so.

Regards
Alan Hood
ami-man
UK

Posted on Mar 03, 2009

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File Format: PDF/Adobe Acrobat - Quick View
To turn on the UPS, press and hold the button until you hear the UPS beep ( ..... capabilities of the Powerware 9120 system to provide compatibility with ...
lit.powerware.com/ll_download.asp?file=omm91203krev1.pdf

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They offer a battery monitoring software package, at
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