Question about Powerware Best Power Unity/I UPS System

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Unwaranted UT3K UPS check battery warning

The UPS is question is a Best Unity/I single phase UT3K. New batteries have been placed into this unit, they are maintaining correct voltage, and when the battery load test is run they pass. From turning the unit on after around 7 hours the "Check battery" warning alarm A-04 is displayed and cannot be cleared. If this unit is turned off and on again the alarm does not reappear for another 7 hours or so and the unit will also pass the battery test. I don't think there is anything wrong with this unit, but I don't like to leave it running with the alarm. Perhaps I need to edit one or more of the many many internal settings?
Any thoughts?
-Thanks

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Hi!
1) By the way, batteries are really new (or "China new")? ;)
If they really new then maybe not start-formed. In this case after little time they will get steady (end of problem). If they are "China new" - it worse, their real capacity usually less then 75% from declared.
2) Try to check batteries connectors, wires and their eyelets. If there is weak contact - charging will be wrong (low current)...
3) Check small orange (voltage sence) connector...
4) Look, what happened with P-62, P-63, P-74 ang P-75 settings? maybe there something is wrong...

Maybe, it will be helpfull?
P.S. Please, excuse my weak english.

Posted on Apr 14, 2009

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