TROUBLE SHOOTING
The machine does 1. Threads have been caught in hook mechanism. See page 28-29
not run smoothly 2. The feed dog is packed with lint. See Page 21
and is noisy
The needle thread 1.The needle thread is not threaded properly. See Page 32
breaks. 2.The needle thread tension is too tight. See Page 35
3.The needle is bent or blunt. See Page 23
4.The needle is incorrectly inserted. See Page 23
5.The fabric is not being drawn to the back when sewing is
finished.
6 The thread is either too heavy or too fine for the needle.
The bobbin thread 1.The bobbin thread is not threaded properly in the bobbin See Page 29-30
breaks. case.
2.Lint has collected in the bobbin case. Clean the bobbin
case.
3.The bobbin is damaged and doesn’t turn smoothly. Exchange bobbin.
The needle 1. The needle is incorrectly inserted. See Page 23
breaks. 2. The needle is bent or blunt. See page 23
3. The needle clamp screw is loose. See Page 23
4. The tension of the needle thread is too tight. See Page 35-36
5. The fabric is not drawn to the back when sewing is
finished.
6. The needle is too fine for the fabric being sewn. See Page 24
7. The pattern selector dial has been turned while the needle See Page 35
was in the material.
Skipped stitches. 1. The needle is incorrectly inserted. See Page 23
2. The needle is bent or blunt. See Page 23
3. The needle and/or threads are not suitable for the work See Page 24
being sewn.
4. A BLUE TIPPED needle is not being used for sewing See Page 24
stretch, very fine fabrics and synthetics.
5. The needle thread is not threaded properly. See Page 32
6. The presser foot pressure is not strong enough. See Page 22
Seam Puckering. 1. The needle thread tension is too tight. See Page 35-36
2. The machine is not threaded correctly. See Page 32
3. The needle is too heavy for the cloth being sewn. Se Page 24
4. The stitches are too coarse for the fabric being sewn. Make the
stitches denser.
5. The presser foot pressure is not correctly adjusted. See Page 22
* When sewing extremely light weight materials, place a
sheet of paper underneath the fabric.
Condition Cause Reference
VII
Section
Partie
Teil
Sezione
73
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