GAME MACHINE MANAGEMENT DEVICE, RECORDING MEDIUM HAVING GAME MACHINE MANAGEMENT PROGRAM RECORDED THEREON, AND PRIZE BALL ABNORMALITY JUDGMENT METHOD

摘要

PROBLEM TO BE SOLVED: To make accurately detectable the occurrence of a prize ball abnormality even when the ball clogging of a replenishing device or the like has occurred. SOLUTION: When a prize ball signal for the winning of the previous time is received, a start port winning signal counter value is cleared and turned to zero regardless of the value. Then, during the time after the prize ball signal for the winning of the previous time is received and before the prize ball signal for the winning of this time is received, the counter value is increased by one every time a start port winning signal is received. When the value reaches a set value p, the occurrence of a prize ball abnormality is judged.