Brother International SC6600 Users Manual - English - Page 83
Troubleshooting
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TROUBLESHOOTING 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, the Brother Solutions Center offers the latest FAQs and troubleshooting tips. Visit us at [http://solutions.brother.com]. If the problem persists, contact your dealer or the nearest 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 81 ■ Tangled thread on wrong side of fabric page 82 ■ Incorrect thread tension (Upper/lower side of fabric) page 85 ■ Fabric is caught in the machine and cannot be removed page 86 ■ Remedy/check details 4 Upper thread tightened up Correctly install the lower thread. ■ Symptom • The upper thread appears as a single continuous line. • The lower thread is visible from the upper 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. Remove the bobbin from the bobbin case. a Place the bobbin in the bobbin case so that b the thread unwinds in the correct direction. • Hold the bobbin with your right hand with the thread unwinding to the left, and hold the end of the thread with your left hand. Then, with your right hand, place the bobbin in the bobbin case. a Lower side of fabric b Lower thread visible from upper side of fabric c Upper thread d Upper side of fabric e Lower thread ■ Cause Incorrect lower threading If the lower thread is incorrectly threaded, instead of the appropriate tension being applied to the lower thread, it is pulled through the fabric when the upper thread is pulled up. For this reason, the thread is visible from the upper side of the fabric. If the bobbin is inserted with the thread unwinding in the wrong direction, sewing will be done with an incorrect thread tension. 81