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.

CONTENTS

UPPER THREAD

LOWER THREAD

SKIPPED

LOOP IN SEAM

FABRIC

BREAKS

BREAKS

STITCHES

PUCKERS

KNOWING SEWING

Upper threading is not correct.

 

No

Page

16

 

 

Upper thread is

tangled.

 

No

Page

16

 

 

Upper thread tension is too tight.

 

No

Page

21

 

 

Spool of thread is not correctly installed.

 

No

Page

16

 

 

Needle is bent or

not sharp.

No

Page 6

 

The combination

of needle size/ thread size/fabric is incorrect.

Lower thread is

tangled.

 

 

No

Page

15

 

 

 

Bobbin is not threaded properly in the shuttle hook.

 

 

No

Page

15

 

 

 

Lower thread tension is too tight.

 

 

No

Page

21

 

 

 

Lower threading is

not correct.

 

No

Page

15

Needle is incor- rectly 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 23

 

 

 

 

Lint is clinging to

 

the bottom of the

 

needle plate.

 

 

 

 

 

 

No

 

Page 55

 

 

 

 

Threading is not

 

correct.

 

 

 

 

 

 

 

 

No

Pages 15–16

 

 

 

 

 

Thread tension is

incorrect.

21 No

Page

Thread tension is

too tight.

 

 

No

 

Page 21

 

 

 

 

Threading is not

 

correct.

 

 

 

 

 

 

 

 

No

Pages 15–16

 

 

 

 

 

 

 

 

Wrong needle is

 

used.

 

 

 

 

 

 

 

 

No

 

Page 6

 

 

 

 

The combination

 

of needle size/

 

thread size/fabric

 

is incorrect.

 

 

 

 

 

 

No

 

Page 23

 

 

 

 

 

MACHINE

YOUR

STITCHING

STRAIGHT AND ZIGZAG

 

BUILT-IN STITCHES

BUTTON SEWING

BUTTONHOLE AND

AND APPLICATIONS

USING ATTACHMENTS

 

No

Page

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTACT YOUR LOCAL SERVICE CENTER

MAINTENANCE

INDEX

57

Page 67
Image 67
Brother LS-1717 instruction manual Performance Checklist, Loop in Seam