Singer SE340 LEGACY Instruction Manual and Troubleshooting Guide - Page 57
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HELPFUL HINTS PROBLEM Upper thread breaks Lower thread breaks Machine skips stitches )DEULFSXFNHUV Machine makes loose stitches or loops 6WLWFKSDWWHUQLV distorted Threader does not thread to needle eye Machine does not feed properly Needle breaks Machine runs with GLI¿FXOW\ Machine will not run CAUSE CORRECTION 3DJH Machine not properly threaded. Thread entwined around bobbin. Needle inserted incorrectly. Thread tension too tight. 7KUHDGRILQFRUUHFWVL]HRUSRRUTXDOLW\ Re-thread machine. Remove entwined thread. Re-insert needle. Readjust thread tension. Choose correct thread. 19 18 9 14,43 9,45 Bobbin threaded incorrectly. Re-thread the bobbin. 18 Bobbin wound unevenly or too full. Rewind the bobbin. 17 Dirt or lint in the bobbin holder. Clean the holder. 56 Needle inserted incorrectly. Bent or blunt needle. Incorrect size of needle. RQVWUHWFKIDEULF Re-insert needle. 9 Insert new needle. 9 Choose correct size needle for fabric. 9,45 XVHVWUHWFKQHHGOH Machine not properly threaded. Bobbin threaded incorrectly. Blunt needle. Thread tension too tight. Design too dense for fabric being embroidered. ,QVXI¿FLHQWVWDELOL]HU Re-thread machine. Re-thread the bobbin. Insert new needle. Readjust thread tension. 6HOHFWOHVVGHQVHGHVLJQIRUIDEULFRUFKDQJH fabric type. Use proper stabilizer for fabric being embroidered. 19 18 9 14,43 48 45 Bobbin threaded incorrectly. Machine not properly threaded. Tension not adjusted properly. Re-thread the bobbin. Re-thread machine. Readjust thread tension. 18 19 14,43 Presser foot is not suited for the pattern. Hoop or carriage is interferred. Thread tension is not balanced. ,QVXI¿FLHQWVWDELOL]HU Attach correct foot. Remove obstruction. Adjust the thread tension. Use proper stabilizer for fabric being embroidered. 8 52 14,43 45 Needle is not raised to highest position. Raise the needle. 20 Needle inserted incorrectly. Re-insert needle. 9 Bent needle. Insert new needle. 9 )HHGGRJVDUHORZHUHG Raise the feed dogs. 12 6WLWFKOHQJWKQRWVXLWDWEOHIRUIDEULF Regulate stitch length. 14 Lint and dust accumulated around feed dog. Clean the feed dog area. 56 )DEULFSXOOHGZKLOHVHZLQJ Do not pull fabric. 21 Needle is hitting the presser foot. 6HOHFWFRUUHFWIRRWDQGSDWWHUQ 24- Needle inserted incorrectly. Re-insert needle. 9 Incorrect size needle or thread for fabric Choose correct size needle and thread. 9,45 being sewn. Dirt or lint accumulated in the hook race and Remove the needle plate and bobbin holder 56 feed dog. and clean the hook race. Cord not plugged into electrical outlet. Insert plug fully into outlet. 10 Power switch is not turned on. Turn on the switch. 10 Presser foot is not lowered. Lower the foot. 11 MAINTENANCE 57