Brother International Innov-is NQ1700E Operation Manual - Page 55

Symptom, Cause/solution Reference High-pitched sound while embroidering Pieces of thread are caught in the race. 49 Upper threading is incorrect. 20 A bobbin designed specifically for this machine is 16 not being used. There are needle holes or friction scratches in the * bobbin case. The needle contacts the needle plate. The needle clamp screw is loose. 23 Needle is turned, bent or the point is dull. 23 The handwheel does not turn smoothly. Thread is tangled in the bobbin case. * ■ After embroidering Symptom, Cause/solution Reference Thread tension is incorrect. Upper threading is incorrect. 20 Bobbin is set incorrectly. 19 Using improper needle or thread for the selected 23 fabric. Thread tension is set incorrectly. 37 Bobbin thread is incorrectly wound. 16 Needle is turned, bent or the point is dull. 23 A bobbin designed specifically for this machine is 16 not used. Embroidery pattern does not embroider correctly. Thread is twisted. 20 Thread tension is set incorrectly. 37 Fabric was not inserted into the frame correctly 28 (fabric was loose, etc.). Stabilizing material was not attached. 27 • 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. There was an object placed near the machine, and 25 the carriage or embroidery frame hit the object during embroidering. Material coming out of the embroidery frame is 27 causing problems. • Stretch the fabric on the frame once again so that the material coming out of the embroidery frame does not cause problems, rotate the pattern and embroider. A heavy fabric is being embroidered, and the 34 fabric is hanging off the table. • If embroidery is done with the fabric hanging off the table, the embroidery unit movement will be impaired. Support the fabric while embroidering. Fabric is snagged or caught on something. - • Stop the machine and place the fabric so that it does not get caught or snagged. Troubleshooting Symptom, Cause/solution Reference The carriage was moved while the embroidery 29 frame was being removed or attached during embroidery. • If the carriage is moved during the process, the pattern may be misaligned. Be careful when removing or attaching the embroidery frame. Stabilizer is incorrectly attached, for example, it is 27 smaller than the embroidery frame. Embroidery pattern does not embroider in a particular position. Fabric isn't positioned with the proper position in 29 the embroidery frame. • Use the embroidery sheet. Loops appear on the surface of the fabric when embroidering. The thread tension is incorrectly set. 37 Embroidery bobbin thread intended for use with 27 this machine is not being used. 3 APPENDIX 53