Brother International Innov-is NQ1600E Operation Manual - Page 93

Troubleshooting Symptom No stitching High-pitched sound while sewing The needle contacts the needle plate. The handwheel feels sluggish when it is turned. Probable Cause Remedy Reference Needle is turned, bent or the point is dull. Replace the needle. B-23 Bobbin is set incorrectly. Reset the bobbin correctly. B-17 Upper threading is incorrect. Check the steps for threading the machine and B-19 rethread the machine. Pieces of thread are caught in the race. Clean the race. A-2 Upper threading is incorrect. Check the steps for threading the machine and B-19 rethread the machine. 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 are needle holes or friction scratches in Replace the bobbin case, or consult your A-2 the bobbin case. authorized Brother dealer. The needle clamp screw is loose. Firmly tighten the needle clamp screw. If the needle is bent or blunt, replace it with a new one. B-23 Needle is turned, bent or the point is dull. Thread is tangled in the bobbin case. Replace the needle. Remove the tangled thread from the bobbin case. Re-install the bobbin case so it is correctly positioned. B-23 A-2 ■ After embroidering A MAINTENANCE AND TROUBLESHOOTING Symptom Probable Cause Remedy Reference Thread tension is incorrect. Upper threading is incorrect. Check the steps for threading the machine and B-19 rethread the machine. Bobbin is set incorrectly. Reset the bobbin. B-17 Using improper needle or thread for the selected fabric. Check the information about the needle and thread to be used. B-23 Thread tension is set incorrectly. Adjust the thread tension. E-26 Bobbin thread is incorrectly wound. Use a correctly wound bobbin. B-17 Needle is turned, bent or the point is dull. Replace the needle. B-23 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 Embroidery pattern does not sew out correctly. Thread is twisted. Thread tension is set incorrectly. Use scissors, etc., to cut the twisted thread and - remove it from the bobbin case, etc. Adjust the thread tension. E-26 Fabric was not inserted into the frame correctly (fabric was loose, etc.). If the fabric is not taut in the frame, the pattern may turn out poorly or there may be shrinkage of the pattern. Set the fabric into the frame correctly. B-30 Stabilizing material was not attached. There was an object placed near the machine, and the carriage or embroidery frame hit the object during sewing. Always use stabilizing material, especially with stretch fabrics, lightweight fabrics, fabrics with a coarse weave, or fabrics that often cause pattern shrinkage. See your authorized Brother dealer for the proper stabilizer. B-29 If the frame bumps something during sewing, the pattern will turn out poorly. Do not place anything in the area where the frame may bump it during sewing. B-28 Appendix A-9