| 摘要 |
According to one embodiment, an error detection device including a sensor which detects a state where an object has moved to a predetermined position, a drive device which drives the object to a predetermined position, and an error determination device which reports that a predetermined process is to be performed with respect to the target, if the sensor detects a state where the target does not move to the predetermined position within a predetermined time from if the drive device starts driving.
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