| 摘要 |
A vending machine drives a vibrating device when a goods selection signal is inputted. A vibration is generated in a receiving plate by the driving of the vibrating device. When a vibration sensor detects the vibration of the receiving plate, a microcomputer judges that the vibration sensor is normal. On the other hand, when the vibration sensor does not detect the vibration, the microcomputer judges that the vibration sensor is abnormal. When it is judged that the vibration sensor is normal, driving of a goods carrying-out device is started. On the other hand, when it is judged that the vibration sensor is abnormal, the driving of the goods carrying-out device is prohibited.
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