A motor control device includes: a control processing unit that controls the driving of a motor based on a command signal input from a controller and a detection signal which is a detection result of the operation of the motor; an abnormality determining unit that detects an abnormality in the controller, the motor control device, and the motor according to the command signal, the detection signal, and a control signal generated in the motor control device and that determines a level of repeatability of the detected abnormality on the basis of a predetermined criterion; a specific abnormality storage unit that stores occurrence information of a specific abnormality which is determined to have high repeatability on the basis of the predetermined criterion; and an abnormality releasing unit that erases the occurrence information of the specific abnormality stored in the specific abnormality storage unit according to an erasure command signal.