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</o:shapelayout></xml><![endif]--></head><body lang=LV link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>OS name and version:<span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>pi@raspberrypi ~ $ cat /etc/*release<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>PRETTY_NAME="Debian GNU/Linux 7.0 (wheezy)"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>uname -a<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Linux raspberrypi 3.6.11+ #393 PREEMPT Fri Mar 8 16:36:28 GMT 2013 armv6l GNU/Linux<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>exact NUT version<o:p></o:p></p><p class=MsoNormal><span lang=EN-US>pi@raspberrypi ~ $ dpkg -s nut<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Package: nut<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Version: 2.6.4-2.3<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>NUT installation method: package<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>exact device name and related information:<o:p></o:p></p><p class=MsoNormal><span lang=EN-US>BNT-500AP<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><a href="http://pcmups.com.tw/eA/html/product/show.php?num=229&root=13&kind=113&page=1&keyword">http://pcmups.com.tw/eA/html/product/show.php?num=229&root=13&kind=113&page=1&keyword</a>=<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have several problems with my UPS:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>1. Wrong battery and UPS date reported.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>According to serial number 40438471204 UPS is manufactured on April 2012, but NUT reports:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>battery.date: 2010/12/20<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>ups.date: 2010/12/20<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2. NUT occasionally (about once a day) reports that battery should be replaced, but I have tested it by removing the power and it can supply about 170 W for about 20 minutes, which, according to specifications, is OK.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>3. NUT very frequently (about 10 times a day) goes on battery followed by immediate return to utility power, though there are no brownouts. My PC that isn’t connected to UPS doesn’t reboot.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>4. This is the most bothering. I have seen it only once. NUT reported “on battery” (actually there was no brownout) followed by immediate “</span>battery is low”, that triggered shutdown of pi. <span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal>Broadcast Message from nut@rasp<o:p></o:p></p><p class=MsoNormal> (somewhere) at 20:45 ...<o:p></o:p></p><p class=MsoNormal>UPS BNT500AP@localhost on battery<o:p></o:p></p><p class=MsoNormal>Broadcast Message from nut@rasp<o:p></o:p></p><p class=MsoNormal> (somewhere) at 20:45 ...<o:p></o:p></p><p class=MsoNormal>UPS BNT500AP@localhost battery is low<o:p></o:p></p><p class=MsoNormal>Broadcast Message from nut@rasp<o:p></o:p></p><p class=MsoNormal> (somewhere) at 20:45 ...<o:p></o:p></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Immediately after shutdown I turned the Raspberry pi on and checked the status. It showed:<o:p></o:p></span></p><p class=MsoNormal>pi@raspberrypi ~ $ upsc BNT500AP@localhost<o:p></o:p></p><p class=MsoNormal>battery.charge: 100<o:p></o:p></p><p class=MsoNormal>battery.charge.low: 10<o:p></o:p></p><p class=MsoNormal>battery.charge.warning: 30<o:p></o:p></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>There is only pi and two low power embedded routers connected, so the total power consumption from UPS is < 50 W.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Driver debug output attached.<o:p></o:p></span></p></div></body></html>