This supplemental report is being submitted to provide additional information.The subject device was not returned to olympus medical systems corp.(omsc) for evaluation, therefore omsc could not investigate the subject device.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined.However, based upon the information from olympus service operation repair center (sorc), there was the possibility that this phenomenon was attributed to the insufficient output of the main circuit board and the lamp ignitor, due to the accidental failure of the power supply unit or the aging deterioration of the power supply unit for long-term use.If additional information becomes available, this report will be supplemented.
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