Question about Powerware Series 9 9120 UPS System

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Powerware ups mod #PW9120100i

[SITE FAULT] alarm displaying/alarm beeper clearing but coming back after a short period after pushing on/off button
We have no trouble shooting manual

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You have to turn socket of ups power cord 180 degrees, because the ups is measuring voltage between ground and ac-line.

Posted on Aug 28, 2008

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2 Answers

Alarm #191 open cell voltage powerware 9130


Remove the front panel plastic cover where the batteries are located, then plug the two connectors together, restart the UPS, and it should be fine.

Aug 13, 2013 | Powerware Series 9 9170 UPS System

1 Answer

Alarm #191 open cell voltage powerware 9130


Alarm error #191 comes from a battery test, where batteries are put under load for 25 seconds. (If the alarm is unexpected, you might have enabled the periodic 30-day battery test.)

#191 is test failure for battery internal resistance. So, need to locate and replace the bad battery, then run the battery test manually. If batteries are good, make sure no battery connector is corroded or loose.

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I am having a site wiring fault on a powerware 5115


UPS require constant power. Meaning they provide minimal (time)
power to save work and shut shut down properly. The generator would have to run 24/7.

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How to use the 3000 Exide Machine


You need to post more information as to what the exact problem is.
If it is just how to turn on, you can download a manual from the Powerware site.
To turn the UPS on, press the middle button on long enough for the UPS to come on.
It will display that it is coming on, then will do abattery self test.

Feb 02, 2011 | Exide /Powerware PW9120 BAT-3000 UPS...

2 Answers

When i power on the ups it show site fault on the display,i checked the earth wire is ok . what can it be a problem?


Hi, here is the documentation page for the 9120 where you can find the manual: http://powerquality.eaton.com/Products-services/legacy/9120-info.asp You can also contact customer support 800 356 5737 or SinglePhaseTS@eaton.com. You may recognize the product as the Powerware 9120 but Powerware was bought by Eaton a few years ago. The customer support team is most ex Powerware and are familiar with the 9120.

Oct 14, 2010 | Powerware 9120 UPS System

1 Answer

UPS in bypass with alarm code 2 short beeps and 5 long beeps.


You can view the manual here: http://powerquality.eaton.com/Products-services/legacy/9150-info.asp
You can also contact the Eaton service department as they'll know this UPS better than anybody. They acquired Powerware years ago and kept the service personnel.
Toll Free: 1 800 843 9433
International: +1 919 871 1800
E-mail: LargeUPSTS@Eaton.com

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2 Answers

Powerware 9120 BUS Unbalanced error display


I've had this same issue what it boils down to is that the Power IN is not being distributed properly across the Power Outlets.

Step 1. unplug everything from the unit and power the ups down. If the alarm clears itself the UPS is mostly likely fine. if it doesn't not clear send it in for repair

Step 2. If step 1 cleared the alarm try distributing the decives across the outlets differently.

There are two inverters so two output if everything is plugged into one side (ie a power bar with 10 things plugged into it) and nothing on the other side this could cause the alarm.

hope this helps

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1 Answer

Site fault Eaton 9120 UPS


If UPS is displaying "Site Fault", it is doing its job correctly. Yoiu need to check the wall receptacle. Probably hot and neutral reversed by whom ever installed the wall receptacle.

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My ups has is faulty i need a circuit diagram to fix it


I had a DC bus fault error displayed.

So I unplugged battery, then turned on UPS. It said Batt disconnected of course.

So when I plugged in the batt while the UPS was on, and held the power button for a few sec, the UPS displayed Batt testing.

After a few moments it was back online and had no faults!

Worth a shot.

May 20, 2009 | Powerware 9120 UPS System

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