Question about APC Back UPS 650 (APWBK650MC) UPS System

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APC 300 0 PROBLEM

OK APC 3000WAT
OUTPUT IS SAFE BUT WHEN BACK UP OCCURS
FROM 220V TO UPS THE OUTPUT BECOMES TO ZERO ALLOF RELAYS IS SAFE
ONE RELAYS BLINKS OFF AND ON

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Your inverter is blown on the ouput. If it is a 300VA get a new one, 3000VA, you will need a local UPS repar company.

Posted on Sep 08, 2009

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Buy a new UPS save yourself a lot of time. Hope this helps

Thanks for using FixYA

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