Question about Powerware PowerRite Plus UPS System
I have a ups power rite 250va-170w its not swich when the lighs out(110ac) . the ups must be works without power ac two or five minutes. its not doing it. i check the fuse, batterys, the relay and the elevating transformer and its ok. my experience is minimum in ups but I have a lot of knowlege in basic electronic. if somebody can help me with some idea or with the squematic diagram I really apreciate your help. thanks to read my problem.
This is not from elevating transformer, fuse, batterys. the problem from charger card transitor is fail remove the transitor.
Posted on Oct 06, 2007
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