A steris service technician arrived onsite following the reported event.During his inspection, the technician felt a minor shock after touching the casing of the control panel of the sterilizer door.The technician was not injured and no medical treatment was sought or administered.While onsite, the technician was informed that the door lock assembly, including the wiring for the door sensor, had recently been replaced by the user facility's biomed department.The technician found that the wiring for the door lock assembly was pinched subsequently causing the insulation of the wiring to become frayed.The exposed wiring contacted the frame of the control panel resulting in an electrical short and the reported event.The unit was installed in 2016 and is not under steris service agreement; the user facility is responsible for all maintenance activities.The reported event is attributed to improper maintenance activities by the biomed department.The amsco 400 sterilizer operator manual states (1-3), "warning - personal injury hazard and/or equipment damage hazard: repairs and adjustments to this equipment must be made only by fully qualified service personnel.Maintenance performed by inexperienced, unqualified persons or installation of unauthorized parts could cause personal injury or result in costly equipment damage." the technician performed the necessary repairs, tested the unit, confirmed it to be operating according to specification, and returned it to service.The technician counseled the biomed department on proper maintenance activities, specifically replacement of the door lock assembly.No additional issues have been reported.
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