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Chapter 10 UPS maintenance
The battery test only runs for a short duration to measure the change in voltage over that time
period. Without a minimal amount of load, there will not be a measurement of the change of
voltage over that time period. Without sufficient load, the battery test cannot determine a bad
or weak battery.
As a result of an underload, that is less than 10 % load capacity, the UPS will issue the,
Battery test cancelled UPS Underload.
Cancelled
If the UPS in HE mode, the UPS transfers automatically to Online mode and then the test is
launched. Once the test is complete, the UPS is enabled to transfer back from Online mode to
HE mode.
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error and cancel the battery test.
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
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