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My eaton 5110 was activated when our local power went down. Now, when turning it back on it beeps constantly, every 1/2 second, even with nothing plugged into it.

Posted by John Wilson on


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Larry Ng

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Learn that when you have black out.
the batteries TAKE OVER< and are huge stress on any battery like this,, and when the lights (AC power) turned the UPS tries to charge said batteries and are now bad.
time for new batteries, or let it beep for 24hours and hope the batteries can recover.
the manual tells you how to see if the batteries are bad and with errorcodes, on all UPS made. RTM read the manual first.
no 2 UPS are the same , unless are.
the first is battery voltage under charge, if too low that means
a cell in 1 battery is shorted. as the LOVE TO DO.

Posted on Dec 08, 2019


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Mike DeCamp

  • 45 Answers

SOURCE: My Eaton 5110 constantly beeps,

You probably need to replace the battery. Here is the product page link: There's a PDF for the manual.

Posted on Jan 03, 2011


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