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Fabric Puckers
Possible Cause:
Thread tensions are set too tightly.
Solution:
Loosen thread tensions (page 27).
Possible Cause:
Thread is not unreeling smoothly off the thread spool.
Solution:
Check the thread spool to ensure thread is not getting caught.
Possible Cause:
Using thread that is poor quality or has uneven filament.
Solution:
Use good quality thread with a smooth, even filament.
Possible Cause:
Stitch length is set too short.
Solution:
Adjust stitch length to a longer setting (page 26).
Possible Cause:
Differential Feed is not set in the correct position for the fabric being sewn.
Solution:
Adjust the Differential Feed (page 25).
Needle Breaks
Possible Cause:
Needle may not be properly seated in the needle clamp.
Solution:
Insert needle so that it is all the way up in the needle clamp, then tighten the screw securely (page 10).
Possible Cause:
Manually pulling fabric from behind presser foot while sewing which causes needles to deflect.
Solution:
Refrain from pulling fabric manually; allow feed teeth to draw fabric under presser foot.
Possible Cause:
Needle may not be the correct size for the fabric being sewn.
Solution:
Use a needle size that is compatible for the fabric (page 12).
Thread Breaks
Possible Cause:
Machine may not be threaded correctly.
Solution:
Check that machine is threaded in correctly as shown in machine manual (page 14-23).
Possible Cause:
Thread is not unreeling smoothly off the thread spool.
Solution:
Check the thread spool to ensure thread is not getting caught.
Possible Cause:
Needle(s) may have a bent, dull or broken point.
Solution:
Replace needle(s) (page 10).
Possible Cause:
The needle is inserted incorrectly
Solution:
Insert the needle correctly (page 10).
Possible Cause:
Using thread that is poor quality or has uneven filament.
Solution:
Use good quality thread with a smooth, even filament.
Possible Cause:
Thread tension is set too tight.
Solution:
Loosen thread tension (page 27).
Possible Cause:
Thread is caught in one of the thread guides.
Solution:
Check threading path to ensure all threads are feeding smoothly.
Stitches Skipping
Possible Cause:
Needle(s) may have a bent, dull or broken point.
Solution:
Replace needle(s) (page 10).
Possible Cause:
Needle may not be properly seated in the needle clamp.
Solution:
Insert needle so that it is all the way up in the needle clamp, then tighten the screw securely (page 10).
Possible Cause:
Needle may not be the correct size for the fabric being sewn.
Solution:
Use a needle size that is compatible for the fabric (page 12).
Possible Cause:
Machine may not be threaded correctly.
Solution:
Check that machine is threaded in correctly as shown in machine manual (page 14-23).
Possible Cause:
Using thread that is poor quality or has uneven filament.
Solution:
Use good quality thread with a smooth, even filament.
MACHINE MAINTENANCE – 41
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