Brother International Pacesetter PS-3700 Users Manual - Multi - Page 80
Brother International Pacesetter PS-3700 Manual
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Performance Check List 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 check list may help you to improve the operation. If you still have difficulties, contact your nearest authorized service center. UPPER THREAD BREAKS LOWER THREAD BREAKS SKIPPED STITCHES LOOP IN SEAM FABRIC PUCKERS Upper thread is not correctly installed. Lower thread is tangled. Needle is incorrectly inserted. Thread tension is incorrect. Thread tension is too tight. MAINTENANCE MANTENIMIENTO ENTRETIEN Page 25 No Page 23 No Page 9 No Page 32 No Page 32 No Upper thread is tangled. Bobbin is not threaded properly in the race. Inferior needle is used. Threading is not correct. Page 25 No Page 23 No Page 9 No Page 25 No Upper thread tension is too tight. The combination of needle size/thread size/fabric is incorrect. Wrong needle is used. Page 32 No Page 33 No Page 9 No Spool of thread is not correctly installed. Lint is clinging to the bottom of the needle plate. The combination of needle size/thread size/fabric is incorrect. Page 25 No Page 69 No Page 33 No Needle is bent or not sharp. Threading is not correct. Page 9 No Page 25 No The combination of needle size/thread size/fabric is incorrect. Page 33 No CONTACT YOUR LOCAL SERVICE CENTER 71