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    <div class="moz-cite-prefix">On 09/04/2018 12:36 PM, Ong, Kevin
      wrote:<br>
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        <p class="MsoNormal">I think I know what I did wrong. In step 7,
          I plugged the mains too early causing a power race condition
          as described by point #51
          <a href="https://networkupstools.org/docs/FAQ.html"
            target="_blank" moz-do-not-send="true">here</a> . I thought
          that when APC BR1500GI's display went black (even with the
          fans still running) it is already in a shutdown state. This
          was not the case, it waited for a few more seconds until it
          totally went silent. At that time, I plugged the mains back
          and everything was working as expected :)<o:p></o:p></p>
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    </blockquote>
    Unfortunately, electric utilities are not always so polite.  They
    have a habit of restoring power at the most inopportune times.<br>
    <br>
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