Induction Motor Problem
If the motor runs properly in one direction, you should check to make sure you are using the proper connections for forward operation. You should also consider what the load is when the motor is running in each direction. A load such as a fan or centrifugal pump may require less torque when running in reverse. If the motor is running properly when it is lightly loaded, but hot and slow when it is normally loaded, the capacitor or the starting winding may be defective.