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Posted on Jan 02, 2017
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
SOURCE: Numeric UPS not working
when i on my ups it is indicating to fault showing a red light and giving a long beep sound and no output voltage is coming from it do i need to configure?please help me
Posted on May 14, 2011
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Apr 26, 2015 | APC Computers & Internet
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Mar 02, 2014 | QVS NetStar (UPS650A) UPS System
Pins 5 & 6 - Any-Mode Shutdown
1. Pin 6 of the 9-pin communication connector is used for "Any-Mode Shutdown"
of the UPS output. This control input may be used in special applications
to disable the UPS output power-both Inverter and Bypass.
2. The Options tab allows the behavior of the Any-Mode Shutdown feature to
be modified. When the program opens, or the REFRESH button is pressed,
the UPS setting is read by the configuration program and displayed.
Pin 6 Logic
If version 1.6 (or later) is used with an earlier Liebert GXT2U model (with an
earlier UPS firmware version), the Any-Mode Shutdown features cannot be
If the configuration program is used with an earlier UPS model (with an
earlier UPS firmware version) that does not support the modification of these
settings, the Options tab will display a reminder of the factory default
settings. These cannot be changed.
Note that when this option is selected and the UPS output is
disabled using Pin 6, the UPS output can turn on automatically
and without warning if the Pin 6 connection is changed.
DO NOT CHANGE THIS OPTION from the factory default
setting unless you are ready to install a normally-closed
connection between Pins 5 & 6. This connection must be
maintained to use the UPS or to use the configuration program
again, including the ability to change the UPS setting back to the
default setting using the configuration
Sep 05, 2011 | Liebert GXT2-10000R230 (GXT2-10000R230)...
Jul 30, 2011 | QVS NetStar (UPS650A) UPS System
Numeric power system bay pass UPS use please given to 5 kva UPS Manual
Jun 30, 2010 | QVS NetStar (UPS650A) UPS System
Jul 09, 2009 | QVS NetStar (UPS650A) UPS System
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