Question about APC Back-UPS XS900 (BX900) UPS System
The overload circuit normally collects the current information from the inverter leg. At times when there is an actual overload, the protective circuit picked up the excess current as compared to the calculated value and thus gives an alarm. However at times when the inverter leg is short circuit or a leakage it also gives the same overload current. Is the inverter on when it gives the overload alarm? Please let us know.
Posted on Mar 30, 2011
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Posted on Jan 02, 2017
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