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Anonymous Posted on Sep 25, 2014
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My ups has failured only giving an alarm indicating that batdisconnected

I have a powerware ups 9120 and it gives an alarm indicating that batdisconnected

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sound man

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  • Posted on Sep 29, 2014
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JUST DISCONNECT THE UPS FROM MAIN POWER.OPEN THE FRONT PANEL.PULL THE BATTERY BANK OUT SIDE .CHECK THE VOLTAGE OF EACH BATTERY.IT SHOULD ME 12 VOLT DC OR 13 VOLT DC.IF THE VOLTAGE OF ANY BATTERY IS BELOW 12 VOLTS DC REPLACE IT.INSERT THE BATTERY BANK IN UPS.PLUG THE UPS TO MAIN.

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  • Posted on Sep 29, 2014
Chase Madhatman
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More than likely your batteries re disconnected or are dead. Read the manual under the troubleshooting section here http://powerquality.eaton.com/products-services/legacy/9120-info.asp?id=&key=&Quest_user_id=&leadg_Q_QRequired=&site=&menu=&cx=5&x=10&y=12 and be more specific about the probelm.

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  • Posted on Sep 25, 2014
Robert L Kershaw
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"batdisconnected" can mean a loose wire or a bad battery.

Disconnect UPS from wall power. Open the case and look for broken wires, a loose wiring plug, or corroded terminal. If everything looks good, remove a wire from one battery terminal and check battery voltage. If battery output is less than 5 vdc, the battery is bad and must be replaced.

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  • Posted on Sep 25, 2014
Lawrence Oravetz
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Check the connections on the batteries. One or more may be loose or corroded. Also check the fuse for the batteries. It may have blown.

5 Related Answers

Anonymous

  • 3587 Answers
  • Posted on Feb 06, 2008

SOURCE: 9120 Battery Failure

sounds like inverter is unhappy(causing the input fuse to blow. maybe, just maybe, this Powerware 9120 has given up the ghost? The inverter can short for a variety of reasons. Try to take out the battery completely, and run it as just a power conditioner. If that works, then you have an unhappy inverter in there.

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Alan Hood

  • 195 Answers
  • Posted on Mar 03, 2009

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

Anonymous

  • 4 Answers
  • Posted on May 27, 2010

SOURCE: replacement fans for powerware 9120

9120 fans are rare and uncommon, for alternate solution just replaced the bearing of the fan.

Anonymous

  • 1 Answer
  • Posted on Mar 05, 2011

SOURCE: powerware 9120 6000i 6kVA ups indicates a charger

M-PW9120 6000i protection diode is damage when we connect the ups with main source otherwise backup is ok only protetion diode is damage

Anonymous

  • 1 Answer
  • Posted on Jun 06, 2012

SOURCE: Powerware 9120 6000i model indicates

I have facing problem of "Bus Unbalance". Now UPS running on bypass mode. Can I reset our UPS without failure the output. We are using Powerware, model PN91206000i

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