A medical infusion pump system, comprising: a portable housing defining a space to receive a medicine; a pump drive system to dispense medicine from the portable housing when the medicine is received in the space; control circuitry configured to electrically communicate with the pump drive system to control dispensation of the medicine from the portable housing when the medicine is received in the space; characterised in that the medical infusion pump system includes: a drive system detector comprising at least one electrically conductive element (370, 371, 377, 379) coupled to one or more components of the pump drive system, wherein the drive system detector is configured to detect a change in an electrical characteristic of the at least one electrically conductive element, wherein the drive system detector is configured to indicate damage of the one or more components of the pump drive system when a change in the electrical characteristic of the at least one electrically conductive element is detected, wherein the control circuitry is in electrical communication with the drive system detector and wherein the control circuitry is configured to disable the pump drive system in response to the drive system detector indicating damage of the one or more components of the pump drive system. a portable housing defining a space to receive a medicine; a pump drive system to dispense medicine from the portable housing when the medicine is received in the space; control circuitry configured to electrically communicate with the pump drive system to control dispensation of the medicine from the portable housing when the medicine is received in the space; characterised in that the medical infusion pump system includes: a drive system detector comprising at least one electrically conductive element (370, 371, 377, 379) coupled to one or more components of the pump drive system, wherein the drive system detector is configured to detect a change in an electrical characteristic of the at least one electrically conductive element, wherein the drive system detector is configured to indicate damage of the one or more components of the pump drive system when a change in the electrical characteristic of the at least one electrically conductive element is detected, wherein the control circuitry is in electrical communication with the drive system detector and wherein the control circuitry is configured to disable the pump drive system in response to the drive system detector indicating damage of the one or more components of the pump drive system. a drive system detector comprising at least one electrically conductive element (370, 371, 377, 379) coupled to one or more components of the pump drive system, wherein the drive system detector is configured to detect a change in an electrical characteristic of the at least one electrically conductive element, wherein the drive system detector is configured to indicate damage of the one or more components of the pump drive system when a change in the electrical characteristic of the at least one electrically conductive element is detected, wherein the control circuitry is in electrical communication with the drive system detector and wherein the control circuitry is configured to disable the pump drive system in response to the drive system detector indicating damage of the one or more components of the pump drive system.