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Ups problem

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sujan - 16 Jun 2010 à 21:21
xpcman Posts 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 - 16 Jun 2010 à 21:32
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 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 1,824
16 Jun 2010 à 21:32
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