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TROUBLESHOOTING
Condition
Cause
Needle thread
1.
The needle is not threaded properly.
breaks
2.
The needle thread tension is too tight.
3.
The needle is bent or blunt.
4.
The needle is not inserted correctly.
5.
The needle thread and bobbin thread are not properly under (drawn to the
back of) the presser foot when starting to sew.
6.
The fabric is not moved to the back when sewing is finished.
7.
The thread is either too heavy or too fine for the needle.
8.
The thread is tangled around spool.
9.
The needle thread has not been held in the thread holder when
embroidery sewing started.
Bobbin thread
1.
The bobbin thread is not threaded correctly in the bobbin case.
breaks
2.
Lint has collected in the bobbin case.
3.
The bobbin is damaged and does not turn smoothly.
Needle breaks
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 fabric is not moved to the back when sewing is finished.
6.
The needle is too fine for the fabric being sewn.
7.
The correct presser foot is not being used.
Skipped
1.
The needle is not inserted correctly.
stitches
2.
The needle is bent, blunt or has a burr.
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.
6.
The foot pressure dial is not adjusted correctly.
7.
The wrong needle is being used.
8.
The embroidery hoop is not attached correctly.
9.
The fabric is not taut in the embroidery hoop.
Seam
1.
The needle thread tension is too tight.
puckering
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 adjusted correctly.
Place lightweight stabilizer under lightweight fabrics.
6.
The fabric is not taut in the embroidery hoop.
Slipping fabric
1.
The foot pressure dial is not adjusted correctly.
2.
The correct presser foot is not being used.
Fabric does
1.
The feed dog is packed with lint.
not feed
2.
The foot pressure dial is not adjusted correctly.
smoothly
3.
The stitches are too short.
4.
The feed dog was not raised after being lowered.
5.
The correct presser foot is not being used.
117
See page(s)
27
12
22
22
29
32
22
24
89
26
111-112
Change bobbin.
22
22
22
12
32
22
31
22
22
22
23
27
9
23
88
87
12
27
22
33
9
87
9
31
111-112
9
33
10
31
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