The uninterruptible power supply (ups) was returned to the manufacturer for analysis.Analysis found that when connected to a battery, no lights were present.When ac was connected, led's v6-11 illuminated.The unit would not power on when pressing the power button.Outputs v1-5 display had no voltage.V6-11 measured at the expected voltage.Also, initially there was a slight ticking noise from inside of the ups and after left connected to ac for a period of time, the fan seemed to be a little noisier than usual.The reported failure was confirmed.Analysis found that the reported event was related to an electrical issue.The hardware investigation found that the reported event was related to a hardware issue.This issue was documented in a medtronic navigation hardware anomaly tracking database.If information is provided in the future, a supplemental report will be issued.
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