PERFORMANCE CHECKLIST
When sewing difficulties occur, look back through this manual to make sure you are
correctly following the instructionsb if you still have a problem, the reminders below
may help you to correct it.
Needle Does Not Move
Is machine connected to electrical supply?
is the power and light switch or]?
is controller connected?
Is air' supply from controller clear?
Lower Thread Breaks
is bobbin correctly wound?
Is bobbin correctly inserted into bobbin
case?
Is bobbin case correctly threaded?
Needle Moves But Stitch
Is Not Formed
ts needle defective?
ts 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?
Are controls properly set?
Are accessories correct for application?
Bobbin Winding Difficulties
Is thread unwinding freely from spool?
Is bobbin winder engaged?
Is thread end securely held at start of wind?
Upper Thread Breaks
Is machine properly threaded?
ls thread freely unwinding from spool?
Is proper' spool cap being used?
Is needle correct size for thread?
Is upper thread tension too tight?
Is bobbin case properly inserted?
is bobbin rim free of nicks?
Skipped Stitches
is machine properly threaded?
Es fabric firmly held down?
Is needle correct style and size?
is needle straight and sharp?
Fabric Does Not Move Properly
Under Presser Foot
Is presser foot cor-rectly attached to
machine?
Is presser foot lowered?
ls stitch length correctly set?
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