This supplemental report is being submitted to provide additional information.The root cause of the reported phenomena could not be identified.However based on the inspection report of olympus service operation repair center (sorc), olympus medical systems corp.(omsc) summarized as follows; 1, the subject device turned off automatically and could not turn on again during the procedure.From the following facts obtained in the investigation, it was presumed that the reported phenomenon was caused by the failure of the power supply unit, but the cause of the failure of the power supply unit could not be identified.-sorc confirmed that the power did not turn on and obtained information that it was due to a failure of the power supply unit.-when checking the manufacturing history, it was confirmed that there were no manufacturing abnormalities or corrections.2, the ac power inlet of the subject device was burnt.From the following facts obtained in the investigation, it was not possible to identify the cause of the burnt inlet.-it was found that the inlet was burnt at sorc inspection.-when checking the manufacturing history, it was confirmed that there were no manufacturing abnormalities or corrections.If additional information becomes available, this report will be supplemented.
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