| 摘要 |
PROBLEM TO BE SOLVED: To prevent the occurrence of system-down due to an error and a partial fault of a music playing device and degradation in an operating environment in advance. SOLUTION: A commander 7 is connected to a center device via a channel to communicate data, receives music information stored in the center device via the channel, reproduces a music, based on the received music information, outputs it, registers fault code data denoting a fault occurrence location on the inside of its own device and fault contents, registers a telephone number of a notice destination of the occurrence of a fault in the interior of its own device, detects a defect such as a fault in the interior of its own device or degradation in the installed environment, reads the fault code data corresponding to the detected fault, generates a fault notice message, makes a call to the telephone number registered in advance via the channel and sends the fault notice message thereto. |
