The firing inside the motor that caused by bad environment and current overload made the stator coils overburned, overheated rotor deformed and bearing damaged, which led to the motor out of service.

• 由于环境恶劣及电流过载，造成了电机内部起火烧损了定子线圈和转子过热变形及轴承损坏等情况造成电机无法使用.