PROBLEM TO BE SOLVED: To perform proper handling when the failure rate is raised regardless of a level of skill of an operator.SOLUTION: In a component mounting machine 10, a component mounting operation is performed in which a component supplied from a reel unit 44 is collected by a collecting unit 20 and mounted on a mounting point by being carried to a predetermined mounting point on a substrate 12. In a control device 60 of the component mounting machine 10, about the mounting point corresponding to error frequency exceeding a predetermined threshold out of the error frequency calculated on the basis of mounting success or failure information for each mounting point, ID of a constituent member (for example, a feeder 48 and a nozzle 32) whose mounting success or failure information on the past mounting point is successful is extracted and the extracted ID is notified to the outside as a recommended ID.SELECTED DRAWING: Figure 1
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