Question about Liebert Computers & Internet
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Posted on Jan 02, 2017
Try to find your manual here in this site. Choose your Product Category, Product Application, Application Type and Specific Product. After that you can download the manual. Hope this helps. "http://www.liebert.com/servicesupport_pages/ProductDocumentSelector.asp"
Posted on Jun 03, 2009
To figure out what's wrong with the UPS, first you have to do a few things.
When calculating the rating a UPS can handle, it's voltage x amperage. If it's Watts multiply the number by 1.67 to give the rating of the device.
Add up all the devices (use the power supply rating in the computer) as well as any other device, and add them up.
If this rating was exceeded, then you have overloaded the UPS. If it was too long that you did this, then you wore out the battery.
When a UPS beeps even when not connected, that means the battery is very weak.
If the battery is more than 3 years old, it will need to be changed. If the online tests of the unit were done and the battery doesn't need replacing, then other parts of the UPS need fixing.
Check the battery.
Posted on Jul 27, 2009
Since the main driver card, the SCR power drive , is burnt , it is important that the pre-driver , the frequency oscillations for the inverter must be checked before the card can be replaced.
Now since this is a high CURRENT circuit the bias parameters are very important to ensure that the circuit functions normally.
Now all information is available on the official site :
Also you can post your problems to the following Email ID with the details , place and need.
I hope you get the feedback without delay but at the same time the spares can be sourced from Liebert.
Posted on Jan 14, 2011
SOURCE: Please tell me how many
It really depends on how large your computers are and what they actually require. A 750 W Cisco Server will require usually a 1.5Kva UPS and give you around 7-9 minutes depending on the model of UPS.
Posted on Feb 23, 2011
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