Other text: the event history log was reviewed and as a result of checking the log, it confirmed that there was a record of the high-pressure alarm occurred continuously after power on or during operate on april 2, 2023.It could not confirm the reported issue.The occlusion detection level of the dso sensor was within the standard.Product is beyond a year from manufacture date and there was no indication of a manufacturing defect during the investigation, so a dhr review was not performed.Service history review identified this device has not been in for service in the previous 12 months (serviced on 11/2021) and there was no indication the complaint was related to previous service of the device.
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