Brother PS-2250, Инструкция по эксплуатации

Страница: 101 / 111

89
MAINTENANCE
ENTRETIEN
MANTENIMIENTO
No Page 47 No Page 87
No Page 11
No Page 37
Bobbin is not
threaded properly in
the race.
Inferior needle is
used.
Lint is clinging to the
bottom of the needle
plate.
The combination of
needle size/thread
size/fabric is
incorrect.
SKIPPED
STITCHES
LOOP IN SEAM
FABRIC
PUCKERS
CONTACT YOUR LOCAL SERVICE CENTER
LOWER THREAD
BREAKS
UPPER THREAD
BREAKS
PERFORMANCE CHECK LIST
Whenever sewing difficulties are encountered, review the section in this instruction manual that details the operation you are performing to
make sure you are correctly using the machine. If the problem continues, the following check list may help you to improve the operation.
If you still have difficulties, contact your nearest authorized service center.
With the model PS-2470/PS-3100, you can use the sewing speed controller to adjust the sewing speed. When sewing at the slowest speed,
skipped stitches may easily occur depending on the type of thread and fabric used. If this occurs, sew at a faster speed.
No Page 39
Upper thread is not
correctly installed.
No Page 37 No Page 11 No Page 46 No Page 46
Lower thread is
tangled.
Needle is incorrectly
inserted.
Thread tension is
incorrect.
Thread tension is
too tight.
No Page 39
Upper thread is
tangled.
No Page 39
Threading is not
correct.
No Page 46
Upper thread
tension is too tight.
No Page 47 No Page 11
Wrong needle is
used.
The combination of
needle size/thread
size/fabric is
incorrect.
No Page 39
Spool of thread is
not correctly
installed.
No Page 11
Needle is bent or
not sharp.
No Page 47
The combination of
needle size/thread
size/fabric is
incorrect.
No Page 39
Threading is not
correct.