Brother International Innov-is NQ1600E Operation Manual - Page 92
B-17, B-19
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Troubleshooting Symptom Probable Cause Remedy Reference Upper thread breaks. Machine is not threaded correctly (used the Rethread the machine correctly. wrong spool cap, spool cap is loose, the thread did not catch the needle bar threader, etc.) B-19 Knotted or tangled thread is being used. Remove any knots or tangles. - Upper thread tension is too strong. Adjust the thread tension. E-26 Thread is tangled. Use scissors, etc., to cut the tangled thread and A-2 remove it from the race, etc. Needle is turned, bent or the point is dull. Replace the needle. B-23 Needle is installed incorrectly. Reinstall the needle correctly. B-23 There are scratches near the hole in the embroidery foot. Replace the embroidery foot, or consult your A-5 authorized Brother dealer. There are scratches on the bobbin case. Replace the bobbin case, or consult your A-2 authorized Brother dealer. Using improper needle or thread for the selected fabric. Check the information about the needle and thread to be used. B-23 While embroidering, the thread became knotted Rethread upper and lower thread. or tangled. B-17, B-19 A bobbin designed specifically for this machine Incorrect bobbins will not work properly. Only is not used. use a bobbin designed specifically for this machine. B-14 The thread is tangled on the wrong side of the fabric. Upper threading is incorrect. Check the steps for threading the machine and rethread the machine. Be sure that the embroidery foot is in the raised position when threading the machine so that the upper thread sets properly in the upper tension. B-19 Using improper needle or thread for the selected fabric. Check the information about the needle and thread to be used. B-23 The upper thread is The bobbin thread is incorrectly installed. too tight. Correctly install the bobbin thread. B-17 Bobbin thread breaks. Fabric puckers. Skipped stitches Bobbin is set incorrectly. Reset the bobbin correctly. B-17 Bobbin thread is incorrectly wound. Use a correctly wound bobbin. B-17 There are scratches on the bobbin or it doesn't Replace the bobbin. rotate properly. B-14 Thread is tangled. Use scissors, etc. to cut the tangled thread and A-2 remove it from the race, etc. A bobbin designed specifically for this machine Incorrect bobbins will not work properly. Only is not used. use a bobbin designed specifically for this machine. B-14 There is a mistake in the upper or bobbin threading. Check the steps for threading the machine and B-19 rethread it correctly. Spool cap is set incorrectly. Check the method for attaching the spool cap, B-14 then reattach the spool cap. Needle is turned, bent or the point is dull. Replace the needle. B-23 Machine is threaded incorrectly. Check the steps for threading the machine and B-19 rethread it correctly. Needle is turned, bent or the point is dull. Replace the needle. B-23 Needle is installed incorrectly. Reinstall the needle correctly. B-23 The needle is worn/damaged. Replace the needle. B-23 Dust or lint has collected under the needle Remove the dust or lint with the brush. A-2 plate. A-8