This always happens to me. I wish they would put an alarm in the machine to let you know.[/quote]
Mine has a flashing light and the machine stops to let you know your almost out.[/quote]
My Viking stops when the bobbin gets just a few winds left on it and I see a message that I need to change the bobbin, it won't sew until I do. It's annoying sometimes as there is enough thread left to finish the seam.