Question about APC Back-UPS CS 500VA UPS System
My UPS Make UNILINE 650 does not giving any AC light on while switching on the UPS power button. It is showing weeping red light and thundering sound. what to do sir. Please help me out of this problem. I m very thankful to you. sir
It does not look good for this unit.
Time to upgrade, go bigger. Maybe this unit is too small for you system. Most likely a 1000VA will solve your problem.
Posted on Sep 06, 2009
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Posted on Jan 02, 2017
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