Question about Powerware 9120 UPS System

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Powering up I need to reboot the ups after power failing

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Either you are not plugged into the backed-up outlets on the UPS (many brands have both on them), or the battery pack inside is dead.

Posted on Jun 19, 2008

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Ups off shows in the display of powerware9120 3000va


Was the UPS commanded to power down? Make sure there is nothing plugged into the UPS and disconnect it from whatever is powering it. Then pull out the all of the batteries inside of the UPS just enough to disengage them from their connections. Once everything has been unplugged and nothing has been feeding the UPS power - then go ahead and re-engage all of the batteries. Turn on the power source to the UPS. It should start up and function as before - you may need to instruct the UPS to carry the load.

If you need more help with this reply or call:

Daniel • daniel@psihq.com • Power & Systems Innovations • 800.260.2259 • www.psihq.com

Nov 16, 2013 | Powerware 9120 UPS System

1 Answer

My ups is not working in during main power failure (online ups not working)so what i want do ?


This usually the battery has failed or worn out and cannot supply power to the inverter to maintain mains power.
The charging circuit may have failed and cannot charge the battery.
My guess is the battery has failed and a new battery is needed.

Feb 07, 2012 | Toshiba UPS Battery Backup Systems

1 Answer

Three out of the five plugs do not work have stopped working.


The APC UPS will power the non-battery (label something like surge only) with the power button turned off. If the outlets that are not powering up are labeled Battery/Surge, you need to turn on the UPS. There should be a button you depress to turn the system on.

Also if this is a new UPS, you will need to hook up the battery for this to work. Open the bottom of the unit and you will find the battery and plugs.

Jul 20, 2011 | APC Back-UPS Office 500VA (BF500) UPS...

2 Answers

Device is making a whistling sound or humming sound. It still has power and is powering the devices plugged into the back up system.


Is the unit running on battery power? A hum is normal when the inverter is running.

if it is CONSTANTLY making a humming noise, it is possible the unit is failing. Check your battery inside the unit, make sure it does not look swollen at all. If it is, you know the unit is failing and overcharging the battery. If it is not, pull the power cable from the outlet and see if it provides back up power and then plug it back in.

If the connected equipment stays on line, then the unit is working fine however I would consider buying a replacement UPS in the near future, a constant hum all the time is a bad sign.

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3 Answers

Suddenly everything lost power and the CPS1100AVR UPS unit started beeping and clicking while switching back-and-forth from 'powered' to 'battery'. Everything connected powered off, then on, then off,


Most UPS's will check the voltage of the battery periodically when the UPS is running and all is well with the AC power. If the test returns a "fail" on the voltage of the battery, many UPS's will start acting strange. It sounds like this may be the case with yours. The batteries can be changed by removing the access door on the bottom of the unit. A phillip screw holds it in. Here's a link to the battery set: http://www.batteryinternational.com/cyber-power-cps1100avr-ups-battery-ups-batteries-f1.html

May 23, 2009 | Cybernet Systems CyberPower 1100AVR...

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How do i power my passbook(we)


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Feb 03, 2009 | UPS Battery Backup Systems

1 Answer

Reboot


u don't need to reboot, if the ups is doing it it may have a board problem

Jun 21, 2008 | Powerware 9120 UPS System

1 Answer

After powering on, all non-graph LEDs keep blinking


That meens that UPS dont have battery power for minimum time (2min). Unplug some devices so UPS load need to drop below 25% and lets UPS recharge battery

May 31, 2008 | NEC APC Smart-UPS 1400 (050-01803-000) UPS...

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