A biomedical technician (biomed) at a user facility reported that a fresenius 2008t hemodialysis (hd) machine had a visibly burned and melted power plug.The burned power plug was noticed during regular inspection.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 plug was the original fresenius part on the machine.The biomed reported that there was no burning smell, smoke, spark, flame, or arcing observed.The biomed reported that the machine has not had any past problems with failing the electrical leakage test and that there was no damage observed on any other components.The machine is plugged into a hospital grade ground-fault circuit interrupter (gfci) outlet.The biomed replaced the plug, which resolved the issue.The biomed reported that an electrician replaced the gfci outlets at the clinic as well, as many of the outlets appeared loose.The biomed reported that the machine has been returned to service without issue.The power plug was reported to be available 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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