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Mge nova avr 1250 problem

First, sorry for my english.
My MGE nova 1250 it's old 5 day (purchase before 5 day's) and is charged (recharging) 24h. After charging I'm connect critical devices (computer + monitor 19") and telephone line , usb ... When is WIN XP run firs time after connection UPS, batery level was 30%??!?!?, and begining charging 7-8 h by 100% (Power pac software +power management Win).But when I shut down XP and disconnect UPS (powewr switch) and de-energize UPS and comp.(through surge protector, I'm not remove power cord). Upon this again power on surge protector, UPS ,XP run again and anon batery level is 30% and anon charging couple hours by 100%.
Again Shut down comp +UPS , run again same thing , HELP.
When UPS connect to power souce all 3 led is on + continuous beep 10 sec.

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Try to discharge the UPS (let it run on a load untill it goes off) and then connect it to the mains again,for the batteryes to recharge.

Posted on Jan 17, 2011

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All is fine. Your UPS doesn't measure battery voltage, so 30% is just an estimation. The battery charging is controlled not by UPS microprocessor, but by some analog circuits that doesn't report to any digital interface - so, UPS is unaware of it's charged level.
The only measure point of battery voltage is yes-or-no trigger of "low battery" - when is fires, UPS will change it's beep sequences.

Posted on Feb 20, 2010

  • smaximenko Feb 20, 2010

    All is fine. Your UPS doesn't measure battery voltage, so 30% is just an estimation. The battery charging is controlled not by UPS microprocessor, but by some analog circuits that doesn't report to any digital interface - so, UPS is unaware of it's charged level.

    The only measure point of battery voltage is yes-or-no trigger of "low battery" - when is fires, UPS will change it's beep sequences.

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My MGE nova 1250 when the ups is completely charged 100%, disconnect then rerun the ups it shows battery level of 30%.please help chahine_waseem@hotmail.com

Posted on Jan 08, 2010

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Ups charged for 8 hrs .No alarms but on powerfail no output to connected device

Posted on Jun 20, 2009

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