Tangled Thread on Wrong Side of Fabric

Symptom

The thread becomes tangled on the wrong side of the fabric.

After starting sewing, a rattling noise is made and sewing cannot continue.

Looking under the fabric, there is tangled thread in the bobbin case.

Cause

Incorrect upper threading

If the upper thread is incorrectly threaded, the upper thread passed through the fabric cannot be firmly pulled up and the upper thread becomes tangled in the bobbin case, causing a rattling noise.

Remedy

Remove the tangled thread, and then correct the upper threading.

1. Remove the tangled thread. If it cannot be removed, cut the thread with scissors.

   Refer to Cleaning the Race.

2. Remove the upper thread from the machine.

3. Correct the upper threading by following the instructions of Upper Threading.

   If the bobbin was removed from the bobbin case, refer to Setting the Bobbin to correctly install the bobbin.