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I'm reaching out regarding an issue I've encountered with my tennis training machine. It has two key settings that control its operation: one adjusts the direction and speed of the ball, while the other determines how frequently the balls are dispensed. Recently, after using it with a low battery, I've noticed that the frequency function is malfunctioning. The ball dispenser seems to be stuck in a loop, releasing five balls continuously before pausing. I'm wondering if this problem can be resolved through a simple reset or if it requires any hardware replacement. Any guidance you could provide on troubleshooting the machine or recommendations for repairs would be greatly appreciated.