Typically, dynamic balancing machine display unbalance point of roughly 180 degrees or 0 degrees. If there is no change, then prove the sensor cable or sensor problem of dynamic balancing machine. Good solution is to plug in the 1th and 2nd sensor wire plug unplugged. Similarly, this method can also judge 2nd sensor wire and sensor are normal. Users can find professional control of dynamic balancing machine and the other sensor wire and sensor faulty sensor or sensor line for repairs.