Brother International LS-1717 User Manual - French - Page 67

Performance Checklist, CONTACT YOUR LOCAL SERVICE CENTER - manual

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MAINTENANCE ENTRETIEN MANTENIMIENTO MANUTENÇÃO Performance Checklist 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 checklist may help you to improve the operation. If you still have difficulties, contact your nearest service center. UPPER THREAD BREAKS LOWER THREAD BREAKS SKIPPED STITCHES LOOP IN SEAM FABRIC PUCKERS Upper threading is not correct. Lower thread is tangled. Needle is incorrectly inserted. Thread tension is incorrect. Thread tension is too tight. M Page 16 No M Upper thread is tangled. M Page 16 No M Upper thread tension is too tight. M Page 21 No M Spool of thread is not correctly installed. M Page 16 No M Needle is bent or not sharp. M Page 6 No M The combination of needle size/ thread size/fabric is incorrect. M Page 23 No M M Page 15 No M Bobbin is not threaded properly in the shuttle hook. M Page 15 No M Lower thread tension is too tight. M Page 22 No M Lower threading is not correct. M Page 6 No M Damaged or worn needle is used. M Page 6 No M The combination of needle size/ thread size/fabric is incorrect. M Page 23 No M Lint is clinging to the bottom of the needle plate. M Page 15 M No Page 55 No M Threading is not correct. M Pages 15-16 No M Page 21 M No Page 21 No M Threading is not correct. M Pages 15-16 No M Wrong needle is used. M Page 6 No M The combination of needle size/ thread size/fabric is incorrect. M Page 23 No M M M M CONTACT YOUR LOCAL SERVICE CENTER 57

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57
MAINTENANCE
ENTRETIEN
MANTENIMIENT
O
MANUTEN
ÇÃ
O
Performance Checklist
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 checklist may help you to improve the operation.
If you still have difficulties, contact your nearest service center.
The combination
of needle size/
thread size/fabric
is incorrect.
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
No
Page 16
No
Page 15
No
Page 6
No
Page 21
No
Page 21
No
Page 16
No
Page 21
No
Page 16
No
Page 6
No
Page 23
No
Page 15
No
Page 22
No
Page 15
No
Page 6
No
Page 23
No
No
Pages 15
–
16
No
No
Page 6
No
Page 23
Pages 15
–
16
Page 55
FABRIC
PUCKERS
SKIPPED
STITCHES
LOOP IN SEAM
LOWER THREAD
BREAKS
UPPER THREAD
BREAKS
Lower thread is
tangled.
Needle is incor-
rectly inserted.
Thread tension is
incorrect.
Thread tension is
too tight.
Bobbin is not
threaded properly
in the shuttle
hook.
Upper thread is
tangled.
Damaged or worn
needle is used.
Threading is not
correct.
The combination
of needle size/
thread size/fabric
is incorrect.
Lower thread
tension is too
tight.
Upper thread
tension is too
tight.
Wrong needle is
used.
Spool of thread is
not correctly
installed.
Lint is clinging to
the bottom of the
needle plate.
Lower threading is
not correct.
Needle is bent or
not sharp.
Threading is not
correct.
The combination
of needle size/
thread size/fabric
is incorrect.
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
CONTACT YOUR LOCAL SERVICE CENTER
▼
▼
Upper threading
is not correct.