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UPS-normal or replace?

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#1 of 1 OFFLINE   Phil P

Phil P


  • 27 posts
  • Join Date: Jul 04 2002

Posted August 04 2005 - 11:52 AM

Recently bought the Panamax 1500 UPS to plug my DLP projector into. The unit makes a low humming sound when it is plugged in (like the sound of a flourescent tube light). Is this normal? When the unit goes on to the battery backup, the hum becomes much louder. Is this normal? Should I ask for a replacement or is this what should be expected? Phil

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