Question about IBM Belkin Enterprise 1100VA (31P7074) UPS System
look around the box and nottify the screw point open these screw and look for red and black cables that indicate the polarity of positive and negative, make sure the positive goes to it position as well as the negative on the new batteries.
Posted on Jan 25, 2008
When batteries discharge during ac power it could indicate charger failure or micro failure or some other wierdness. makers do not release cd info. The best thing is.. buy another one as they can be very difficult to repair and of course they are dangerous, batteries are always live, waiting to bite you. I have worked on and repaired such circuits as the AP 200 series resonant converter and selling and hiring UPS for a long time. Beyond the simple easy checks youhave done the time it takes to understand how they work can better be used.
Posted on Sep 23, 2009
When was the last time you replaced the batteries? These units will not start with old / failed batteries connected, or without batteries connected.
If you have a voltmeter, check the batteries. Your unit should have two batteries harnessed together. if you check the individual battery, you should see just over 13 volts, together should be around 26 volts. if you see less than 12.5 volts, that would be why the unit will not start.
You will have to replace the batteries if that is the case. Your BP1100 takes an RBC 7: http://www.refurbups.com/APC-RBC7-Compatible
Posted on Apr 14, 2010
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