Performance Checklist - Singer Quantum User Manual

PROBLEM
0AUSE PROBLEM
CAUSE
Is machine connected to electrical supply?
Is bobbin correctly wound?
Needle does nc oe Is power and lhght switch on? Loe
hedbek Is bobbin correctly inserled in
Iscontroller connected?
bobbin case'
Is air supply from controller clear?
Is bobbin case correctly threaded?
Is needle defective?
Is machine property threaded?
Needle moves but Stitch is
Is needle fully inserted into needle clamp? Ske sttce Is labric firmly held down?
not fornmed Are bobbin and needle correctly threaded?
IP csIs
needle correct style and size?
Is bobbin correctly inserted into bobbin ease?
Is needle straight and sharp?
Is neede straight and sharp?
Fabric doe no5oe
i presser toot correctly attached to macine?
Is needle correct size? prpryuI[pesrfo
s presser foot towered'
Needle breaks
Is needle fully inserted into needle clamp? P~Ytne otIs
stitch length ,orrectly set'
Are controls properly set?
Needle Treader Does Nov Is needle in the highest podiion?
Are accessories correct [or application? Thread
Is needle fully inserted into needle clamp?
Is thread unwinding freely from spool?
Bobbn wndig dffiultis I s~pe lat in ropr psitonFOR*
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Is thread end securely held at start of wind?
Is machine properly threadedi?
Is thread freely unwindint from spool?
Is proper size spool cap being used?
Upper thread breaks Is needle correct size for thread?
ls upper thread lensiorn too tight?
Is bobbin case properly inserted?
Is bobbin rim tree of nictks?
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