(b)(4).Additional information: the device was returned and an evaluation was complete.The event history log review showed no keystrokes, programming, or use related events that indicated and/or contributed to the reported issue.A service history review revealed no indication that the parts replaced during servicing caused or contributed to the reported event.Visual inspection did not identify any abnormalities that could have contributed to the reported condition.Full functional testing, electrical safety testing, calibration and simulated therapy were performed with no issues noted.The reported condition was not verified.The power supply fuse and power cord were replaced preventively.Should additional relevant information become available, a supplemental report will be submitted.
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