Singer S0235 - Page 29

Thread Breaks
Possible Cause: Machine may not be threaded correctly; threads threaded in the incorrect sequence.
Solution: Check that machine is threaded in correct order (page 7).
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 5).
Possible Cause: The needle is inserted incorrectly.
Solution: Insert the needle correctly (page 5).
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 11).
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 5).
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.
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 7).
Possible Cause: Machine may not be threaded correctly or threads were threaded in the incorrect sequence.
Solution: Check that machine is threaded in correct order as shown in machine manual (page 7).
Possible Cause: Using thread that is poor quality or has uneven filament.
Solution: Use good quality thread with a smooth, even filament.
Irregular Stitches
Possible Cause: Stitches are not balanced.
Solution: Adjust thread tensions and possibly cutting width (page 11/page 13).
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: Machine may not be threaded correctly or threads threaded in the incorrect sequence.
Solution: Check that machine is threaded in correct order as shown on (page 7).
Fabric Puckers
Possible Cause: Thread tensions are set too tightly.
Solution: Loosen thread tensions (page 11).
Possible Cause: Thread is not unreeling smoothly off the thread spool.
Solution: Check the thread spool to ensure thread is not getting caught.
Machine Maintenance – 25
English