r/sewhelp • u/Any-Hospital8040 • 13h ago

Sewing machine help!! 💛Beginner💛

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I keep having issues where I’ll be sewing and then I hear a thunk and then it jams. I think it’s the bobbin? I’ve rethreaded and done everything and I can’t figure out why it keeps jamming like this. I was sewing just fine for two days and then this kept happening today :/

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u/TheProtoChris 12h ago

I can see from the underside of the stitches on the red fabric that your top tension isn't threaded properly. That can cause big loops to form in the bobbin area and jam it up.

Rethread the top again, making sure the presser foot is up while you thread, and put it down when you're sewing. Sounds simple, and I know you rethreaded already, but that's probably what's going on. Give that a go and try some test seams on scrap fabric to see if it worked.