Question about APC UPS/Surge Protector 330-Watt Power Supply

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Whining sound will not stop

APC whining sound will not stop

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  • Anonymous Mar 30, 2014

    I have APC 800 VA 500 Watts inverter which I purchased in 2010. From last couple of months Bettery On and Fault lights are blinking with beep sound. I did reach out to APC techincal team and they changed one of the IC saying that its burnt and again I did receive the same beep sound and then they changed the completed board. Unfortunately i am getting the same problem again.. can you please help me in over coming this problem.

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The toroidal core transformer(s) is going bad. This will call for a unit replacement. Is it under warranty?

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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