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Old 08-09-2013, 09:59 AM   #1
Daemon Poster
Join Date: Apr 2010
Posts: 669
Exclamation APC BE750BB UPS alarm beeps, any help?

I have gotten a ups from someone who said that it was making noise. It came with a new battery, but no data cable(so i cannot test this by hooking it to a pc). Upon plugging it in, a beep tone comes from the unit. After dissassembling it(way out of warranty), i found it has a buzzer inside, and that none of the capaciters on the main board are loose. I did some research, not much to be found on this model, it appears its an overload error, but nothing is plugged in, and it does it even when there is no battery in the unit, the power light stays green all the time, and anything that is plugged in receives no power. The internet at the house is down so I won't be able to reply until monday or until we get our internet back.

Any help?
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