A component mounting line for mounting components on a circuit board to produce a component mounting board in each component mounter by arranging multiple component mounters in a conveyance path for conveying the circuit board, the component mounting line comprising: an automated replacement robot configured to move along the arrangement of the multiple component mounters and automatically replace a feeder configured to supply components to each component mounter; and a production management device configured to: manage a production schedule of the component mounting line; execute a remote operation mode for remotely operating the component mounter to perform a test operation of the component mounter according to an input operation of an operator, in addition to an automatic production mode in which an automated replacement operation of the automated replacement robot is managed according to the production schedule to produce the component mounting board; determine, when the operator performs an input operation for switching to the remote operation mode, whether a feeder configured to supply components necessary for the test operation of an component mounter to be remotely operated is set in the component mounter, wherein, when the operator performs the input operation at a time of switching the production schedule, the components necessary for the test operation are components among the components used by the component mounter in a next production schedule; and, when the feeder that supplies the necessary components is not set in the component mounter, move the automated replacement robot to the component mounter and set the feeder configured to supply the necessary components in the component mounter to cause the component mounter to perform the test operation. an automated replacement robot configured to move along the arrangement of the multiple component mounters and automatically replace a feeder configured to supply components to each component mounter; and a production management device configured to: manage a production schedule of the component mounting line; execute a remote operation mode for remotely operating the component mounter to perform a test operation of the component mounter according to an input operation of an operator, in addition to an automatic production mode in which an automated replacement operation of the automated replacement robot is managed according to the production schedule to produce the component mounting board; determine, when the operator performs an input operation for switching to the remote operation mode, whether a feeder configured to supply components necessary for the test operation of an component mounter to be remotely operated is set in the component mounter, wherein, when the operator performs the input operation at a time of switching the production schedule, the components necessary for the test operation are components among the components used by the component mounter in a next production schedule; and, when the feeder that supplies the necessary components is not set in the component mounter, move the automated replacement robot to the component mounter and set the feeder configured to supply the necessary components in the component mounter to cause the component mounter to perform the test operation. manage a production schedule of the component mounting line; execute a remote operation mode for remotely operating the component mounter to perform a test operation of the component mounter according to an input operation of an operator, in addition to an automatic production mode in which an automated replacement operation of the automated replacement robot is managed according to the production schedule to produce the component mounting board; determine, when the operator performs an input operation for switching to the remote operation mode, whether a feeder configured to supply components necessary for the test operation of an component mounter to be remotely operated is set in the component mounter, wherein, when the operator performs the input operation at a time of switching the production schedule, the components necessary for the test operation are components among the components used by the component mounter in a next production schedule; and, when the feeder that supplies the necessary components is not set in the component mounter, move the automated replacement robot to the component mounter and set the feeder configured to supply the necessary components in the component mounter to cause the component mounter to perform the test operation.