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Ups problem

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sujan - Jun 16, 2010 at 09:21 PM
xpcman Posts 19530 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 - Jun 16, 2010 at 09:32 PM
Hello, my ups INTEX 600VA always makes a sound like wwwwwwwaaaaaaaaaaaa when i connect a speaker.The sound is only heard when running on a battery.can any one help me reducing this sound.



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xpcman Posts 19530 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 1,826
Jun 16, 2010 at 09:32 PM
It's a problem with the square wave AC power that the UPS delivers. A better quality UPS will probably solve your problem.

Good Luck
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