Stitches are skipped

Machine is not threaded correctly.
(used the wrong spool cap, spool cap is loose, the thread did not catch the needle bar threader, etc.)

Check the steps for threading the machine and rethread it correctly.
Refer to How do I thread the machine (Threading the upper thread)?
Using improper needle or thread for the selected fabric.

Check the Fabric/Thread/Needle Combinations chart.
Refer to Combination of fabric, thread and needle.
Needle is turned, bent or the point is dull.

Replace the needle.
Refer to How do I change the needle ?
Needle is installed incorrectly.

Reinstall the needle correctly.
Refer to How do I change the needle ?
Needle is defective.

Replace the needle.
Refer to How do I change the needle ?
Dust or lint has collected under the needle plate.

Remove the dust or lint with the brush.
Refer to How do I clean the race?
Thin or stretch fabrics are being sewn.

Sew with one sheet of thin paper under the fabric.
Refer to Tips for sewing thin fabrics , For better results when sewing stretch fabrics.

ЧЗВ и отстраняване на неизправности