Stitch pattern does not turn out

Wrong presser foot was used.

Attach the correct presser foot.
Did not use a stabilizer material on thin fabrics or stretch fabrics.

Attach a stabilizer material.
Refer to Tips for sewing thin fabrics , For better results when sewing stretch fabrics.
Thread tension is set incorrectly.

Adjust the thread tension.
Refer to How to adjust the thread tension , Incorrect thread tension.
Fabric was pulled, pushed or fed at an angle while it was being sewn.

Sew while guiding the fabric with your hands so that the fabric is fed in a straight line.
The thread is tangled, for example, in the bobbin case.

Remove the tangle thread. If the thread is tangled in the bobbin case, clean the race.
Refer to How do I clean the race?

FAQs & Troubleshooting