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 Post subject: UPS has developed a noise of its own
PostPosted: Wed Jan 23, 2019 9:44 am 
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Joined: Sat Apr 16, 2005 2:59 am
Posts: 149
Wasnt sure what forum this belongs in. Please moderate if there is some place better.

I have a TrippLite Smart1300lcdt which for the past two years or so has been dead silent (when not running on battery of course). Recently its developed a sound of its own. 60Hz if I had to guess (unsurprisingly). A sort of buzz/whine. Worth cracking it open to investigate or is it likely be an irreplaceable choke or something?


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