Table des Matières
Publicité
TROUBLESHOOTING
Condition
The machine is noisy
and does not run
smoothly.
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches.
The seam puckers.
The stitches form
loops underneath the
fabric.
The fabric does not
feed smoothly.
The machine does not
work.
The buttonhole is not
correct.
1. Threads have been caught in the hook area.
2. The feed dog is packed with lint.
1. The needle is not threaded properly.
2. The needle thread tension is too tight.
3. The needle is bent or blunt.
4. The needle is not inserted correctly.
5. The thread is either too heavy or too fine for the needle.
6. The threads are not under the presser foot when sewing begins.
1. The bobbin thread is not threaded correctly in the bobbin holder.
2. Lint has collected in the bobbin holder.
3. The bobbin is damaged and does not turn smoothly.
1. The needle is not inserted correctly.
2. The needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension is too tight.
5. The needle is too fine for the fabric being sewn.
6. The stitch selection knob has been turned while the needle was in
the fabric.
1. The needle is not inserted correctly.
2. The needle is bent or blunt.
3. The needle and/or the thread are not suitable for the fabric being
sewn.
4. A stretch needle is not being used for sewing stretch, very fine and
synthetic fabrics.
5. The needle thread is not threaded properly.
1. The needle thread tension is too tight.
2. The machine is not threaded correctly.
3. The needle is too large for the fabric being sewn.
4. The stitch length is too long for the fabric.
5. The foot pressure dial is not set correctly.
6. Threads have been caught in the hook area.
Place lightweight tearaway stabilizer under lightweight fabrics.
1. The needle thread tension is too loose.
2. The needle is either too large or too small for the thread.
1. The feed dog is packed with lint.
2. The pressure foot dial is not set correctly.
3. The stitches are too short.
4. The correct presser foot is not being used.
5. The feed dog is lowered.
1. The machine is not plugged in.
2. A thread is caught in the hook area.
3. The bobbin winder spindle is in the winding position.
1. The stitch length is not suitable for the fabric being sewn.
2. Interfacing is not being used with fabrics.
3. Fine adjustment lever for buttonhole is not set properly.
Cause
104
See page(s)
100-102
100-102
38
18
28
28
26
50
36
100-102
replace bobbin.
28
28
28
18
26
46
28
28
26
26-30
38
18
38
26
48, 50
14
100-102
18
26
100-102
14
48-50
44
20
22
100-102
32-34
70
70-72
72
Publicité
Table des Matières
