It was reported to philips that the device won't turn off.The alleged failure was observed while the device was in use on a patient, however, no adverse patient impact was reported by the customer.The device was received by bench repair.An evaluation was performed by an authorized bench technician and the reported issue was confirmed and traced to a faulty processor pca.The processor pca was returned to the failure analysis lab for evaluation.The component was visually inspected for any mechanical damage and/or contamination, and no anomalies were found.Once installed in an mrx test fixture, functional testing was successfully completed with no noted issues that could have caused or contributed to the alleged failure.Upon conclusion of the evaluation, the processor pca was found to be fully functional and the reported issue could not be verified or duplicated.The evaluation data was recorded and the component was scheduled to be scrapped.Upon conclusion of the initial evaluation, it was originally reported that this was a malfunction of the processor pca.The processor pca was replaced to resolve the reported issue and the device was returned to the customer site.However, a follow up analysis of the returned processor pca was completed and there were no noted issues that could have caused or contributed to a potential malfunction.The processor pca was found to be fully functional and a cause for the original failure could not be determined.No further investigation or action is warranted at this time.No further evaluation is required at this time.
|