Brother International SE2000 Operation Manual - Page 108
Incorrect thread tension, Fabric is caught in the machine and cannot, be removed
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Troubleshooting Incorrect thread tension ■ Symptoms • Symptom 1: The bobbin thread is visible from the right side of the fabric. (Refer to illustration below) • Symptom 2: The upper thread appears as a straight line on the right side of the fabric. • Symptom 3: The upper thread is visible from the wrong side of the fabric. (Refer to illustration below) • Symptom 4: The bobbin thread appears as a straight line on the wrong side of the fabric. • Symptom 5: The stitching on the wrong side of the fabric is loose or has slack. Symptom 1 Symptom 3 a b c d a f c d e 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 6 Upper thread visible from wrong side of fabric ■ Cause/remedy/check details Cause 1 The machine is not correctly threaded. The bobbin threading is incorrect. Return the upper thread tension to the standard setting, and then refer to "Installing the bobbin" on page 23 to correct the threading. The upper threading is incorrect. Return the upper thread tension to the standard setting, and then refer to "Threading the upper thread" on page 25 to correct the upper threading. Cause 2 A needle and thread appropriate for the fabric are not being used. The machine needle that should be used depends on the type of fabric sewn and the thread thickness. If a needle and thread appropriate for the fabric are not being used, the thread tension will not be correct, causing wrinkles in the fabric or skipped stitches. • Refer to "Fabric/Thread/Needle Combinations" on page 28 to check that a needle and thread appropriate for the fabric are being used. Cause 3 An appropriate upper tension is not selected. Select an appropriate thread tension. Refer to "Adjusting the Thread Tension" on page 39. The appropriate thread tension differs depending on the type of fabric and thread being used. * Adjust the thread tension while test sewing on a piece of scrap fabric that is the same as that used in your project. Note • If the upper threading and bobbin threading are incorrect, the thread tension cannot be adjusted correctly. Check the upper threading and bobbin threading first, and then adjust the thread tension. • If the bobbin thread is visible from the right side of the fabric Touch in the manual adjustment screen to decrease the tension of the upper thread. • If the upper thread is visible from the wrong side of the fabric Touch in the manual adjustment screen to increase the tension of the upper thread. Fabric is caught in the machine and cannot be removed If the fabric is caught in the machine and cannot be removed, the thread may have become tangled under the needle plate. Follow the procedure described below to remove the fabric from the machine. If the operation cannot be completed according to this procedure, instead of attempting to remove it forcefully, contact your nearest Brother authorized service center. ■ Removing the fabric from the machine Immediately stop the machine. a Turn off the machine. b Remove the needle. c If the needle is lowered into the fabric, turn the handwheel away from you (clockwise) to raise the needle out of the fabric, and then remove the needle. • Refer to "Replacing the Needle" on page 29. Remove the presser foot and presser foot holder. d If the thread is entangled on the presser foot, remove the entangled thread, and then raise the presser foot lever to remove the presser foot. Otherwise, the presser foot may be damaged. • Refer to "Replacing the Presser Foot" on page 30. 106