Additional information added to h3, h6 and h10 h10: the device was inspected on site by a qualified technician.A dialysate scale calibration was performed and the reported event was not duplicated.The qualified technician checked the scales, pressure and syringe drivers and no issues were observed.The qualified technician performed set loading, prime, priming test, and a one hour simulated treatment and no abnormalities were observed.The reported condition was not verified.The cause of the malfunction is undetermined.A device history review revealed no issues that could have caused 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.Based on ongoing investigations, the firmware of the scales interacting with new software versions 7.21 and 8.20 was identified as the cause.A nonconformance has been opened to address this issue.Should additional relevant information become available, a supplemental report will be submitted.
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