A multi-axis motor driving device configured to drive a plurality of motors based on a motor control command comprising: a plurality of drive units connected correspondingly to the plurality of motors, respectively; and a control unit (302, 304) configured to control a whole of the multi-axis motor driving device, characterized in that: the control unit (302, 304) includes a first position detection unit configured to perform a magnetic pole position detection process for the motors connected to the control unit (302, 304) to detect a position of the motors, each of the plurality of motors includes a second position detection unit configured to detect a position of the motor via a mechanical linkage, the control unit (302, 304) determines whether miswiring between phases, miswiring between axes and non-connection of a wiring is present based on a first detection result of the first position detection unit and a second detection result of the second position detection unit in a first positioning control state of the driving unit, the first positioning control state being a state in which the motor corresponding to the drive unit is positioned by a minute motion from a position at a time of start of power supply, the minute motion being a motion of the motor by a predetermined torque that occurs as a feature of the magnetic pole position detection process effected by the first position detection unit, a plurality of drive units connected correspondingly to the plurality of motors, respectively; and a control unit (302, 304) configured to control a whole of the multi-axis motor driving device, characterized in that: the control unit (302, 304) includes a first position detection unit configured to perform a magnetic pole position detection process for the motors connected to the control unit (302, 304) to detect a position of the motors, each of the plurality of motors includes a second position detection unit configured to detect a position of the motor via a mechanical linkage, the control unit (302, 304) determines whether miswiring between phases, miswiring between axes and non-connection of a wiring is present based on a first detection result of the first position detection unit and a second detection result of the second position detection unit in a first positioning control state of the driving unit, the first positioning control state being a state in which the motor corresponding to the drive unit is positioned by a minute motion from a position at a time of start of power supply, the minute motion being a motion of the motor by a predetermined torque that occurs as a feature of the magnetic pole position detection process effected by the first position detection unit, the control unit (302, 304) includes a first position detection unit configured to perform a magnetic pole position detection process for the motors connected to the control unit (302, 304) to detect a position of the motors, each of the plurality of motors includes a second position detection unit configured to detect a position of the motor via a mechanical linkage, the control unit (302, 304) determines whether miswiring between phases, miswiring between axes and non-connection of a wiring is present based on a first detection result of the first position detection unit and a second detection result of the second position detection unit in a first positioning control state of the driving unit, the first positioning control state being a state in which the motor corresponding to the drive unit is positioned by a minute motion from a position at a time of start of power supply, the minute motion being a motion of the motor by a predetermined torque that occurs as a feature of the magnetic pole position detection process effected by the first position detection unit,