Why is my bobbin not winding singer?
If your bobbin does not wind quickly and smoothly when you press on your foot pedal, your bobbin winder might not be fully engaged. This can cause uneven winding. Make sure you push your bobbin pin all the way over or loosen your bobbin wheel completely to engage your bobbin winding mechanism.
Why is my bobbin not spinning?
Bobbin Case Not Turning
First, it may be that your bobbin thread tension is too tight. … The other source may be due to your bobbin thread winding up under uneven tension. To fix this issue, you will need a new bobbin, wind the thread slowly and make sure the tension is nice and even.