Corrected information b5: this occurred during testing in the biomedical service department.Additional information d9, h3, h6 and h10: the device was received for evaluation.During functional testing, a failed air test was not reproduced.A service history review was performed and revealed that the device has no previous service events; therefore, servicing did not cause or contribute to the reported event.The reported condition was verified.The cause of the condition was not determined, however the ultrasonic sensor requires replacement as a precautionary measure.Should additional relevant information become available, a supplemental report will be submitted.
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