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Troubleshooting
Condition Cause
1, The needle thread is not threaded properly Page
2,, The needle thread tension is too tight, Page
3, The needle is bent or blunt_ Page
4.. The needle is incorrectly inserted, Page
5, The needle thread and the bobbin thread are not set
properly under the presser foot at the beginning of sewing° Page
6_ The threads are not drawn to the rear after finishing
sewing. Page
7,, The thread is too heavy, or too fine for the needle, Page
1. The bobbin thread is not threaded properly in the bobbin Page
holder,
Lint has collected in the bobbin holden
The bobbin is damaged and doesn't turn smoothly.
The needle
thread breaks.
The bobbin
thread breaks° 2,
3,
1,.
The needle 2.
breaks, &
4
5o
6
1,,
Skipped stitches 2_
3,
4_
5
1,
Seam puckering 2
3,
Reference
14
20
18
18
24
24
18
12
Page 28
Change the
bobbin
The needle is incorrectly inserted,. Page 18
The needle is bent or blunt. Page 18
The needle clamp screw is loose. Page 18
The needle thread tension is too tight, Page 20
The threads are not drawn to the rear after the finishing
sewing. Page 24
The needle is too fine for the fabric being sewn. Page 18
The needle is incorrectly inserted, Page 18
The needle is bent or blunt, Page 18
The needle and/or threads are not suitable for the work
being sewn, Page 18
The needle thread is not threaded properly, Page 14
The wrong needle is used, Change the
needle
The needle thread tension is too tight, Page 20
The needle thread is not threaded properly, Page 14
The needle is too heavy for the fabric being sewn. Page 18
The fabric is not 1,
fed.
The machine 1
does not run.
2,
The machine is 1.
noisy. 2,
The fabric is too thick,
The AC adapter or foot switch jack is not connected
properly,
A thread is caught in the bobbin holder.
Page 18
Page 4
Page 28
There is thread caught in the bobbin holder, Page 28
Lint has built up in the bobbin holder, Page 28
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