SOURCE: APC Smart-UPS 1000VA is powered on but not working
Try turning the unit off for a little while, unplug it from the source even. afer about 5 minutes plug it back in and try it again. You may have a bad battery, how old is the unit. UPS batteries should be changed out every 3 year's, max every 5 year's if you want good reliability. At 5 years you are taking a chance.
SOURCE: SMART UPS APC 3000
let the ups be turned on just charging the batteries, u can have the voltage but the batteries still not fully charged. good luck
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Is it a contineous beep? Else what is the pattern of beep?
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