A component mounting machine performs a mounting operation of mounting an electronic component to a board. The component mounting machine includes: multiple related operation devices each including an electrically-operated section configured to perform a related operation that is an operation related to the mounting operation, and an output section configured to output an operation signal representing a state of the electrically-operated section that is operating; and circuitry configured to limit the quantity of the related operation devices for which the electrically-operated section is in an operating state to a specified quantity or fewer based on whether there is presence of the operation signal of the multiple related operation devices.