Performance Check List - Brother LS-2220 Instruction Manual

UPPER THREAD
BREAKS
Upper thread is
not correctly
installed.
No
Page 16
Upper thread is
tangled.
No
Page 16
Upper thread
tension is too
tight.
No
Page 20
Spool of thread
is not correctly
installed.
No
Page 12
Needle is bent
or not sharp.
No
Page 6
The combination
of needle size/
thread size/fabric
is incorrect.
No
Page 22

PERFORMANCE CHECK LIST

LOWER (BOBBIN)
THREAD BREAKS
Lower (bobbin)
thread is tangled.
No
Page 17
Bobbin is not
threaded
properly in the
shuttle hook.
No
Page 14
Lower thread
tension is too
tight.
No
Page 21
Lower threading
is not correct.
No
Page 14
CONTACT YOUR LOCAL SERVICE CENTER
SKIPPED STITCHES
Needle is
incorrectly
inserted.
No
Page 6
Damaged or worn
needle is used.
No
Page 6
The combination
of needle size/
thread size/fabric
is incorrect.
No
Page 22
Lint is clinging to
the bottom of the
needle plate.
No
Pages 43-45
Threading is not
correct.
No
Page 16
LOOP IN SEAM
Thread tension is
incorrect.
No
Pages 20-21
FABRIC PUCKERS
Thread tension is
too tight.
No
Pages 20-21
Threading is not
correct.
No
Pages 12-17
Wrong needle is
used.
No
Page 6
The combination
of needle size/
thread size/fabric
is incorrect.
No
Page 22
46