The drive board is broken. If Li Jiujia doesn't run for a long time, the driving board will break down, which will cause the treadmill to fail to work normally. Just go to a professional repair shop to replace the driving board. Zhejiang Lijiujia Sports Equipment Co., Ltd. is located in Yongkang City, Zhejiang Province, the hardware capital of China. The company specializes in producing treadmills. The main products are treadmills, exercise bikes, treadmills, AB abdominal machines and fitness equipment.