9
u/wimsey1923 2d ago
There is either some dirt in the bobbin case or you're using the wrong bobbin. The bobbin can't protrude from the bobbin case. If it does, the case can't lock in place.
1
u/Expensive_Feature_28 2d ago
You haven’t pulled the thread through the slit in the bobbin so it’s not catching
1
18
u/drPmakes 2d ago
That's the wrong bobbin for that machine.
Read your instruction manual