Problem | Cause | Solution | Page |
| 1 There is a mistake in the upper or bob- | Check the steps for threading the | |
| bin threading. | machine and rethread it correctly. |
|
| 2 Spool cap is set incorrectly. | Check the method for attaching the | |
|
| spool cap, then reattach the spool |
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| cap. |
|
Fabric | 3 Using improper needle or thread for the | Check the “Fabric/Thread/Needle | |
puckers | selected fabric. | Combination” chart. |
|
| 4 Needle is turned, bent or the point is dull. | Replace the needle. | |
| 5 Stitches are too long when sewing thin | Shorten the stitch length. | |
| fabrics. |
|
|
| 6 Thread tension is set incorrectly. | Adjust the thread tension. | |
| 7 Wrong presser foot. | Use correct presser foot. | |
| 1 Dust or lint is caught in the feed dogs. | Remove the dust or lint. | |
High- | 2 Pieces of thread are caught in the race. | Clean the race. | |
pitched | 3 Upper threading is incorrect. | Check the steps for threading the | |
sound |
| machine and rethread the ma- |
|
while |
| chine. |
|
sewing | 4 There are scratches on the race. | Replace the race, or consult your | |
|
| authorized dealer. |
|
| 1 Needle is not in the correct position. | Press the “Needle Position” button | |
Can not |
| to raise the needle. |
|
thread the | 2 Threading hook does not pass through | Press the “Needle Position” button | |
needle | the eye of the needle. | to raise the needle. |
|
| 3 Needle is installed incorrectly. | Reinstall the needle correctly. | |
| 1 Upper threading is incorrect. | Check the steps for threading the | |
|
| machine and rethread the ma- |
|
|
| chine. |
|
Thread | 2 Bobbin is set incorrectly. | Reset the bobbin. | |
tension is | 3 Using improper needle or thread for the | Check the “Fabric/Thread/Needle | |
incorrect | selected fabric. | Combination” chart. |
|
| 4 Presser foot holder is not attached cor- | Reattach the presser foot holder | |
| rectly. | correctly. |
|
| 5 Thread tension is set incorrectly. | Adjust the thread tension. | |
| 1 Wrong presser foot was used. | Attach the correct presser foot. | |
Character | 2 Pattern adjustment settings were set | Revise the pattern adjustment set- | |
pattern | incorrectly. | tings. |
|
does not | 3 Did not use a stabilizer material on thin | Attach a stabilizer material. | |
turn out | fabrics or stretch fabrics. |
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| 4 Thread tension is set incorrectly. | Adjust the thread tension. | |
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Troubleshooting |