https://community.hpe.com/t5/servers-general/hp-ups-rx5500/m-p/4201217#M4330 This is the link for the User guide<BR /><A href="http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&amp;prodSeriesId=410857&amp;targetPage=http%3A%2F%2Fbizsupport.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00065453%2Fc00065453.pdf" target="_blank">http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&amp;prodSeriesId=410857&amp;targetPage=http%3A%2F%2Fbizsupport.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00065453%2Fc00065453.pdf</A><BR />If you check on page 39 right there is the chart of all the LEDs codes.<BR />xteven Thu, 19 Jun 2008 00:28:55 GMT Xteven 2008-06-19T00:28:55Z https://community.hpe.com/t5/servers-general/hp-ups-rx5500/m-p/4201216#M4329 hi ,<BR /><BR />our ups has a fail. it show that battery led is red and blinking , no beep error and no current load status . In the doc. i didn't find any about this error. <BR /><BR />Thanks.<BR /> Tue, 20 May 2008 08:52:20 GMT https://community.hpe.com/t5/servers-general/hp-ups-rx5500/m-p/4201216#M4329 OSMAN_8 2008-05-20T08:52:20Z https://community.hpe.com/t5/servers-general/hp-ups-rx5500/m-p/4201217#M4330 This is the link for the User guide<BR /><A href="http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&amp;prodSeriesId=410857&amp;targetPage=http%3A%2F%2Fbizsupport.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00065453%2Fc00065453.pdf" target="_blank">http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&amp;prodSeriesId=410857&amp;targetPage=http%3A%2F%2Fbizsupport.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00065453%2Fc00065453.pdf</A><BR />If you check on page 39 right there is the chart of all the LEDs codes.<BR />xteven Thu, 19 Jun 2008 00:28:55 GMT https://community.hpe.com/t5/servers-general/hp-ups-rx5500/m-p/4201217#M4330 Xteven 2008-06-19T00:28:55Z