If the bobbin winder is not spinning, it could be due to a number of reasons. Here are some common causes of failure and ways to fix them:

1. Power supply problem:

-Check if the power supply of the bobbin winder is properly connected, make sure the power plug is not loose or damaged.

-Check if the power cord is broken or short-circuited, if so, the power cord needs to be replaced or repaired.

2. Motor problem:

-Check if the motor of the winding machine is working properly, you can judge it by observing whether the motor is rotating or making abnormal sound.

-If the motor does not rotate, it may be the motor itself is faulty, need to replace the motor or repair the motor.

-If the motor rotates but the speed is unstable, it may be the motor driver failure, need to check and repair the motor driver.

3. Control system problem:

-Check whether the control system of the winding machine is working properly, including the control panel and control circuit.

-Check whether the connecting wires of the control system are loose or damaged, make sure the signal transmission is normal.

-If the control system is faulty, it may be necessary to repair or replace the control panel, control circuit and other components.

4. Transmission system problems:

-Check whether the transmission system of the winding machine, including belts, gears and other components are working properly.

-Check if the connection of the transmission system is loose or damaged to make sure the transmission is working well.

-If the drive system is faulty, it may be necessary to replace or repair the drive components.

5. Other problems:

-Check that other parts of the winding machine, such as sensors, switches, etc., are working properly.

-Check the mechanical structure of the bobbin winder, such as bearings, slides, etc., for damage or need for lubrication.

-If none of the above methods can solve the problem, it is recommended to contact a maintenance professional for further troubleshooting and repair.

It is important to note that repairing a coil winder requires a certain amount of specialized knowledge and technology. If you do not have the relevant experience, it is recommended that you seek professional help or contact the manufacturer of the coil winder for repair. During the repair process, attention should be paid to safety and quality control to ensure that the repaired winding machine can work properly.

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