Question about APC Smart-UPS 750XL (SUA750XLI) UPS System
Posted by Anonymous on
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Posted on Jan 02, 2017
Try looking for a small circuit breaker on the side that says "press to reset" - you could have tripped it accidentally when you unplugged the iPod. Also, try pressing and holding the UPS power switch for 10-15 seconds. That should force a power on as well.
Posted on May 27, 2009
Nope! The internal battery is not plugged-in correctly. Unplug the APC unit and open the access door to the battery (it is not dangerous to do).
Re-seat the two wire clips (red & black) to the battery. The positive post has a red mark on it.
Close it up and charge for a few hours before using.
If the symptoms continue, return unit to store.
Posted on Sep 19, 2009
If you blistered your older batteries a good chance your inverter is going or will go bad. The heat alone can do damage to your components. Time to replace the unit and remember next time not to wait so long to replace your batteries. Replacement of batteries every three to approaching four years is a good idea.
Posted on Oct 22, 2009
if this comes sometimes and goes, this means that the power to ups is sometimes deviating from the specific ups input range, hence the ups is rejecting it. mesure the input voltagesand frequency with a multimeter and check whether they match the specified ones in the ups manual. aslo with some ups there are switches that you use to set the input voltages or number of phases in the ups input. check the manual to see whetther your ups has such.
Posted on Oct 25, 2009
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