Question about APC Back-UPS CS 500VA UPS System

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My ups is not starting when the power plug is on.

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Please check the input filter circuit or the relay circuit

Posted on Aug 14, 2009

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It has been a couple months, and if it is not fixed by now, I suggest you buy a different brand. APC quality is not like it use to be.

Posted on Sep 06, 2009

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Hopefully your problem is resolved.
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