Question about Computers & Internet
Have you replaced the battery and made sure only items with critical memory are connected to it.
Posted on Aug 12, 2017
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Posted on Jan 02, 2017
SOURCE: Batteries ate not charging.
First suspect the battery. As I guide I have split the task into the following steps.
1. Get a voltmeter and test the battery. It should report 12.4 or 12.6 volts. Branded batteries frequently incorporate a battery status indicator in the form of a watch glass at the top. The color change indicates the battery condition.
2. Now connect the battery with the UPS leads securely and plug into AC mains (with electricty). Test the battery terminals for voltage. If voltage is between 13 to 14.5 volts then the charger is OK. If not then check if the fuse with the DC charger is blown. With the battery disconnected check voltage between leads. It should be zero (if it showed zero volts with battery connected). If not then the charger is faulty. Also if it shows 13 - 14.5 volts with battery connected and disconnected then it is OK.
3. Re-check for any blown internal fuses.
Posted on Aug 11, 2009
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