Originally Posted by
quiltedsunshine
When you remove the lid, look inside the handwheel end. If that black, plastic arm is broken, that could cause the problem. You can lift it up partially and check to see if anything is broken on it. If it is broken, you might need to find a Bernina OSMG with a bone yard, who can strip a part off an old 930. Wish you were in Utah. I know a guy who could fix you up.
The black arm appears to be intact….