Brother International PR1050X Operation Manual - Page 295

APPENDIX Symptom After the threads are automatically cut, the upper thread is too short and comes out of the needle. Probable Cause Lint or dust has accumulated around the needle plate (moving knife, fixed knife or thread retaining plate). The needle is not correctly installed. The needle set screw is loose. The needle is bent or blunt. The area around the hole in the needle plate is damaged. Remedy Remove any lint or dust around the needle plate. Correctly install the needle. Use the Allen screw driver to tighten the needle set screw. Replace the needle with a new one. Reference Page p.285 p.86 p.86 p.33, 86 Replace the needle plate or consult your nearest authorized Brother dealer. 1 Scratches/Burrs The needle is touching the needle plate. The upper thread breaks. Consult your nearest authorized Brother dealer. 1 Needle 2 Needle plate hole 3 Needle touching hole The presser foot is set too high and not correctly positioned. The needle hits/touches the presser foot. The area around the embroidery foot hole is damaged. Consult your nearest authorized Brother dealer. Replace the presser foot. Consult your nearest authorized Brother dealer. 1 Scratches/Burrs Using a specialty thread like a metallic thread. Slow down the machine sewing speed. p.139 7 293