Is your needle inserted correctly? Try taking it out and inserting again. Is your bobbing threaded correctly? Try taking it out and re-threading. You might also try cleaning the bobbin area. The only other think I can think of is that you may have the wrong needle in.
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I just got a 1541s and have the same issue. Did you find a solution Chad?
Is your needle inserted correctly? Try taking it out and inserting again. Is your bobbing threaded correctly? Try taking it out and re-threading. You might also try cleaning the bobbin area. The only other think I can think of is that you may have the wrong needle in.