Question about APC Smart-UPS 1400VA UPS System
The UPS is not supplying power to my computer and monitor when the 120V power is removed. It does supply power to a load when it is pluged in. I think the battery is ok. I checked it and it is 12.9 V. To check and see if It would work I connected a small lamp to the UPS and pushed the button to turn it on. Green light flashed on and off. and overload light, lights briefly, then green light comes on solid and the lamp lights. Lamp does not light unless UPS is plugged in. ThankYou, Richard
My question is how long is the battery inside your UPS? 5years ? coz sometimes you cannot just base on the voltage you measure on the batteries. dont forget about the current that is being supplied by the batteries maybe the battery current is too weak to handle your load. but if you are really sure that your battery is good. try to check the inverter circuit of your UPS. or send it to UPS service center if you dont know how to check electronics component.
Posted on Aug 14, 2009
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Posted on Jan 02, 2017
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I have the same problem with an apc smart-ups VS 650.
New batteries - charge in batteries is good (also tested under load).
When AC power fails, no power is supplied to PC connectors by the UPS.
UPS self test works fine. UPS does not report any problems via software - Power Management under Windows XP.
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