Pfaff creative 4874

9-6
Problem Cause Remedy
Seam puckers Thread tension is too tight Reduce thread tension.
The differential feed is set Adjust differential feed (see page 2-34).
incorrectly
The thread has jammed because Thread correctly.
of incorrect threading
Fabric is not being The stitch length is too short Increase stitch length (see page 3-4).
fed evenly
The presser foot pressure Increase presser foot pressure (see page 2-25).
is too low for heavy fabric
The presser foot pressure is too Reduce presser foot pressure (see page 2-25).
high for light fabric