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A biomedical technician (biomed) at a user facility reported that a fresenius 2008t hemodialysis (hd) machine had a burnt power plug.A patient was not connected to the machine at the time of the incident and there was no harm to any patients or individuals because of this malfunction.The biomed reported that the power plug charred and melted and made a burning smell, however there was no smoke, spark, flame, or arcing observed.The biomed reported that the machine has not had any past problems with failing the electrical leakage test.The machine is plugged into a hospital grade ground-fault circuit interrupter (gfci) outlet.The power cord was replaced, but the machine remained unable to power on.The biomed then replaced the power supply, at which point the machine was able to power on.The power supply did not appear burned, charred, melted, or black.There was no other damage observed on any other components.The biomed reported that the machine has been returned to service without issue.The sample was reported to be unavailable to be returned to the manufacturer for physical evaluation.
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Plant investigation: no parts were returned to the manufacturer for physical evaluation.Additionally, no on-site evaluation was performed by a fresenius regional equipment specialist (res).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 non-conformances, or any associated rework identified during the manufacturing process which could be related to the reported event.In addition, the device history record (dhr) review confirmed the results of the in-progress and final quality control (qc) testing met all requirements.The investigation into the cause of the reported problem was not able to be confirmed.A definitive conclusion regarding the complaint incident cannot be reached without a physical examination of the complaint device.
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