A user facility reported an electrical arc within a hemodialysis machine.The biomed tech (bmt) reported a small "nick" in the cable of the actuator board.The bmt theorized the exposed part of the wire came into contact with the chasis of the hemodialysis machine, thus causing an electrical arc.There was no visual or otherwise reported sense of smoke, flame, or spark.The bmt installed a new actuator board and the machine a now back in service.
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The device was not returned to the manufacturer for physical evaluation and field service was not requested, therefore, the failure mode cannot be confirmed.However, a records review was performed on the reported serial number.An investigation of the device manufacturing records was conducted by the manufacturer.There were no deviations or non-conformances during the manufacturing process.In addition, the dhr record review confirmed the labeling, material, and process controls were within specification.
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