Brother International SE2000 Operation Manual - Page 107

Troubleshooting Troubleshooting ■ Remedy/check details Correctly install the bobbin thread. (page 23) If the machine stops operating correctly, check the following possible problems before requesting service. You can solve most problems by yourself. If you need additional help, Brother support website offers the latest FAQs and troubleshooting tips. Visit us at https://s.brother/ cphap/. If the problem persists, contact your authorized Brother dealer or the nearest Brother authorized service center. ■ Frequent troubleshooting topics Detailed causes and remedies for common troubleshooting topics are described below. Be sure to refer to this before contacting us. Upper thread tightened up page 105 Tangled thread on wrong side of fabric page 105 Incorrect thread tension page 106 Fabric is caught in the machine and cannot be removed page 106 If the thread becomes tangled under the bobbin winder seat page 108 Upper thread tightened up ■ Symptom • The upper thread appears as a single continuous line. • The bobbin thread is visible from the right side of the fabric. (Refer to the illustration below.) • The upper thread has tightened up, and comes out when pulled. • The upper thread has tightened up, and wrinkles appear in the fabric. • The upper thread tension is tight, and the results do not change even after the thread tension is adjusted. c a b d e 1 Wrong side of fabric 2 Bobbin thread visible from right side of fabric 3 Upper thread 4 Right side of fabric 5 Bobbin thread ■ Cause Incorrect bobbin threading If the bobbin thread is incorrectly threaded, instead of the appropriate tension being applied to the bobbin thread, it is pulled through the fabric when the upper thread is pulled up. For this reason, the thread is visible from the right side of the fabric. Tangled thread on wrong side of fabric ■ Symptom • The thread becomes tangled on the wrong side of the fabric. • After starting sewing, a rattling noise is made and sewing cannot continue. • Looking under the fabric, there is tangled thread in the bobbin case. ■ Cause Incorrect upper threading If the upper thread is incorrectly threaded, the upper thread passing through the fabric cannot be firmly pulled up and the upper thread becomes tangled in the bobbin case, causing a rattling noise. 5 APPENDIX ■ Remedy/check details Remove the tangled thread, and then correct the upper threading. Remove the tangled thread. If it cannot be removed, a cut the thread with scissors. • For details, refer to "Cleaning the race" on page 103. Remove the upper thread from the machine. b Correct the upper threading by following the c instructions in "Threading the upper thread" on page 25. • If the bobbin was removed from the bobbin case, refer to "Installing the bobbin" on page 23 to correctly install the bobbin. 105