Component mounting system, component mounting device, management device, and management method for component mounting system

The invention provides a component mounting system, a component mounting device, a management device, and a management method of the component mounting system. A component mounting system (100) is provided with a component mounting device (10) for mounting components on a substrate (1), and a management device (60) for managing the component mounting device. A component mounting system is provided with: a suction nozzle (24) having a suction surface (26) for sucking a component; an image pickup unit (32) that picks up an image of the suction surface; a determination unit that determines the presence or absence of a selection error of the suction nozzle (24) on the basis of an image captured by the imaging unit; and an output unit that outputs selection information including information indicating that the selection error has occurred when the determination unit determines that the selection error has occurred. A suction nozzle and an imaging unit (32) are provided in a component mounting device (10). The dete