ISE Frequently Asked Questions - UPS Systems
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1 How often do I need to charge my UPS that is currently not being used?

A UPS needs to be powered periodically to charge its batteries otherwise battery capacity and run time will be reduced. The below graph shows the typical charging requirements of sealed gelled lead acid batteries based on storage temperature. 80-100% The…

2 USC / USCH series UPS / Power Conditioner shows FAIL on its display. What is the cause and how can I get more information?

The Fail indication usually is an indication of a large power abnormality (beyond the capabilities of the unit), an internal error or some combination of both.    To clear the Fail error state, power must be cycled as you have done. In the meantime, whatever…

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