A hard disk recording apparatus including: a receiving unit for receiving programs; a reservation data receiving unit for accepting input of reservation recording data including reservation recording starting time; a reservation data storing unit for storing the reservation recording data; a recording unit for recording the programs on a hard disk based on the reservation recording data, and having a self-diagnosis function for detecting the presence or absence of abnormalities of the hard disk; and a control unit for executing the self-diagnosis if the main body is in the standby state and there is a spare time a spare time more than a time required for the self-diagnosis by a next reservation recording starting time, and not executing the self-diagnosis if the main body is not in the standby state or there is not a spare time more than a time required for the self-diagnosis.
