Performance Checklist; LOOP IN SEAM; LOWER THREAD- Page 67
Brother LS-1217 User's Guide
Table of Contents
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57
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.
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No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
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.
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CONTACT YOUR LOCAL SERVICE CENTER
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Upper threading
is not correct.
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