1. Remove the faulty stator coil in-line.
2. Use an electromagnetic wire with the same specifications as the upper wire of the stator coil to replace the upper wire.
3. Install the replacement upper wire into the stator raceway.
4. Connect the two ends of the replacement top wire and the two disconnected ends of the stator coil top wire, and wrap the insulation to replace the connection between the top wire and the disconnected end.