How to Fix Bernina Bernette 38 bobbin jam causing tangled knots

ByGeovanny

If your Bernina Bernette 38 is experiencing a bobbin jam causing tangled knots, locate the upper tension dial on the electronic touchscreen menu screen and verify it is set to Auto. Incorrect seating of the thread within this assembly causes immediate delivery variances to the needle point. Adjust the component directly to lock in structural balance across the mechanism.

For comprehensive fabric projects, see our verified field analysis on the best sewing machines for making clothes.

Geovanny Zapata is a dedicated digital media publisher and the principal strategist behind Asset Acquisitions. With a focus on optimizing human-centric, high-utility informational platforms, he coordinates editorial direction and content integrity for SewingHow.com. Geovanny is passionate about preserving traditional textile arts while leveraging modern digital infrastructure to connect global creators with trusted, practical sewing resources.

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