Brother International Quattro 2 6700D Users Manual - English - Page 346

TROUBLESHOOTING Problem Cause Solution Page Bobbin thread breaks Bobbin is set incorrectly. Reset the bobbin thread correctly. 54 There are scratches on the bobbin or it doesn't Replace the bobbin. 54 rotate properly. Thread is twisted. Use scissors, etc. to cut the twisted thread - and remove it from the race, etc. A bobbin designed specifically for this machine Incorrect bobbins will not work properly. Only 54 is not used. use a bobbin designed specifically for this machine. Bobbin thread does The thread is not passed through the bobbin Correctly pass the thread through the bobbin 49 not wind neatly on the winding thread guide correctly. winding thread guide. bobbin. Bobbin spins slowly. Press [+] in the bobbin winding window to 50 increase the bobbin winding speed. The thread that was pulled out was not wound Wind the thread that was pulled off around the 50 onto the bobbin correctly. bobbin 5 or 6 times clockwise. Skipped stitches Needle is turned, bent or the point is dull. Replace the needle. 67 Using improper needle or thread for the Check the "Fabric/Thread/Needle 69 selected fabric. Combination" chart. Machine is threaded incorrectly. Check the steps for threading the machine 57 and rethread it correctly. Dust or lint has collected under the needle plate. Remove the dust or lint with the brush. 338 Needle is installed incorrectly. Reinstall the needle correctly. 67 Needle is defective. Replace the needle. 67 Thin or stretch fabrics are being sewn. Sew with one sheet of thin paper under the 76 fabric. Needle breaks Needle is installed incorrectly. Reinstall the needle correctly. 67 Needle clamp screw is not tightened. Tighten the needle clamp screw. 68 Needle is turned or bent. Replace the needle. 67 Using improper needle or thread for the Check the "Fabric/Thread/Needle 69 selected fabric. Combination" chart. Wrong presser foot was used. Use the recommended presser foot. "STITCH SETTING CHART" Upper thread tension is too strong. Adjust the thread tension setting. 79, 233 Fabric is pulled during sewing. Do not pull the fabric during sewing. - Spool cap is set incorrectly. Check the method for attaching the spool cap, 57 then reattach the spool cap. There are scratches around the holes in the Replace the needle plate, or consult your 97 needle plate. authorized dealer. There are scratches around the hole(s) in the Replace the presser foot, or consult your 65 presser foot. authorized dealer. There are scratches on the race. Replace the race, or consult your authorized 338 dealer. Needle is defective. Replace the needle. 67 Upper threading is incorrect. Check the steps for threading the machine 57 and rethread the machine. Bobbin is set incorrectly. Reset the bobbin thread correctly. 54 Presser foot is attached incorrectly. Attach the presser foot correctly. 65 Screw of the presser foot holder is loose. Securely tighten the screw of the presser foot. 66 Fabric is too thick. Use fabric that the needle can pierce when 75 the handwheel is turned. Fabric is fed forcefully when sewing thick fabric Allow the fabric to be fed without being or thick seams. forcefully pushed. Stitch length is too short. Adjust the stitch length. 79 Stabilizer is not attached to fabric being embroidered. Attach stabilizer. 161, 200 Bobbin thread is incorrectly wound. Use a correctly wound bobbin. 48 344