TROUBLESHOOTING
If your machine is not working saftactorily, please work through this checklist before returning it to Tesco or taking it for service.
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Problem Probable Cause
The needle thread breaks.
1. The needle thread is not threaded properly.
2. The needle thread tension is too tight.
3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are not set properly under the presser foot at the beginning of sewing.
6. The threads are not drawn to the rear after nishing sewing.
7. The thread is too heavy, or too ne for the needle.
The bobbin thread breaks.
1. The needle is incorrectly inserted.
2. The needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension is too tight.
5. The threads are not drawn to the rear after nishing sewing.
6. The needle is too ne for the fabric being sewn.
Skipped stitches
1. The needle is incorrectly inserted.
2. The needle is bent or blunt.
3. The needle and/or threads are not suitable for the work being sewn.
4. The needle thread is not threaded properly.
5. The wrong needle is used.
Seam puckering
1. The needle thread tension is too tight.
2. The needle thread is not threaded properly.
3. The needle is too heavy for the fabric being sewn.
Fabric jams or does not feed though properly 1. The fabric is too thick.
The machine does not operate.
1. The AC adapter or foot switch jack is not connected properly.
2. A thread is caught in the bobbin holder.
The machine is noisy
1. There is thread caught in the bobbin holder.
2. Lint has built up in the bobbin holder.
