Brother International LS-1717P Users Manual - Multi - Page 67

CONTENTS KNOWING YOUR SEWING MACHINE STRAIGHT AND ZIGZAG BUILT-IN STITCHES STITCHING 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. w Page 16 No w Upper thread is tangled. w Page 16 No w Upper thread tension is too tight. w Page 21 No w Spool of thread is not correctly installed. w Page 16 No w Needle is bent or not sharp. w Page 6 No w The combination of needle size/ thread size/fabric is incorrect. w Page 23 No w w Page 15 No w Bobbin is not threaded properly in the shuttle hook. w Page 15 No w Lower thread tension is too tight. w Page 21 No w Lower threading is not correct. w Page 6 No w Damaged or Worn needle is used. w Page 6 No w The combination of needle size/ thread size/fabric is incorrect. w Page 23 No w Lint is clinging to the bottom of the needle plate. w Page 15 w No Page 55 No w Threading is not correct. w Pages 15-16 No w Page 21 w No Page 21 No w Threading is not correct. w Pages 15-16 No w Wrong needle is used. w Page 6 No w The combination of needle size/ thread size/fabric is incorrect. w Page 23 No w w w w CONTACT YOUR LOCAL SERVICE CENTER BUTTONHOLE AND USING ATTACHMENTS BUTTON SEWING AND APPLICATIONS MAINTENANCE INDEX 57