1.或许是因为罗茨风机的出风口管道被阻塞，然后导致风机内部的风排不出去而压力上升，使罗茨风机的电机电压过载然后超电流。
1. Perhaps it is because the outlet duct of the Roots blower is blocked, which causes the internal air of the blower to not be discharged and the pressure to rise, causing the motor voltage of the Roots blower to overload and then overcurrent.
2.使用呈现错误，在使用罗茨风机时，假如风机的叶轮反转或阀门未翻开，也会导致风机呈现超电流，严重的还会烧毁电机。
2. When using Roots blower, if the impeller of the blower is reversed or the valve is not opened, it can also cause the blower to show overcurrent, and in severe cases, it can also burn the motor.
3.还有或许是因为罗茨风机本身短少保养，假如长期没有保养风机使风机处于短少润滑油的状况，那么风机的叶轮会在没有齿轮油的状况下磨损，然后使风机的电机负荷增大使风机超电流。
3. It may also be because of the lack of maintenance of Roots blower itself. If the blower is not maintained for a long time so that the blower is in the condition of lack of lubricating oil, then the impeller of the blower will be worn without gear oil, and then the motor load of the blower will increase so that the blower will overcurrent.
4.也有或许是因为罗茨风机的质量问题，由于部分厂家的技能原因，在出产风机时，因加工的误差并不稳定，使风机的多个零部件无法正常运行，导致风机在正常运行时会呈现互相磨损的情况，然后使电机负载呈现超电流现象。
4. It may also be due to quality issues with Roots fans. Due to the skills of some manufacturers, during the production of fans, the machining errors were not stable, causing multiple components of the fan to not operate properly, resulting in mutual wear and tear during normal operation, and then causing the motor load to show overcurrent phenomenon.