- Top Innovations, Inc. Sewing Machine Owner's Manual SP-402

PERFORMANCE CHECKLIST
When sewing difficulties occur, refer back to this manual to make sure
that you are correctly following the instructions. If you are still having a
problem, the reminders below may help you solve the problem.
Needle does not move
18

Is machine connected to electrical
supply?
 Is foot pedal connected?
 Is bobbin case displaced (pg.17)?
Needle moves, but stitch is not
formed
 Is needle in backwards?
 Is needle defective?
 Is needle fully inserted into needle
clamp?
 Are bobbin and needle correctly
threaded?
 Is bobbin correctly inserted into
bobbin case?
Needle breaks
 Is needle straight and sharp?
 Is needle correct size?
 Is needle fully inserted into needle
clamp?
Bobbin winding difficulties
 Is thread unwinding freely from
spool?
 Is bobbin winder engaged?
 Is thread end securely held at
start of wind?
 Is thread correctly lead around
bobbin winder tension disc?
Upper thread breaks
 Is machine properly threaded?
 Is thread freely unwinding from
spool?
 Is needle size correct for thread?
 Is upper thread tension too tight?
 Is bobbin case properly inserted
(pg. 17)?
 Is bobbin rim free of nicks?
Lower thread breaks
 Is bobbin correctly wound?
 Is bobbin correctly inserted into
bobbin case?
 Is bobbin case correctly threaded?
 Is bobbin case properly inserted
(pg. 17)?
Skipped stitches
 Is machine properly threaded?
 Is fabric firmly held down?
 Is needle correct size?
 Is needle straight and sharp?
Fabric does not move properly
under presser foot
 Is presser foot lowered?
 Is stitch length correctly set?
QUESTIONS?
If you have questions about any aspect of threading or sewing with the
QUIKSTITCH call:
Customer Support
Contact our Customer Support Team at Top Innovations, Inc. at (800) 711-
6617 or [phone]. E-mail us at [e-mail]
or visit our web site at www.topinnovations.com