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Problem Possible Cause Solution
IRREGULAR STITCHING Thread is of poor quality . . . . . . . . . . . Use quality thread
AND FEEDING Presser foot pressure is too light . . . . . Increase presser foot pressure to a higher number
Bobbin is not threaded correctly . . . . . Thread bobbin again and c
heck for proper insertion
F
abric is being pulled during sewing . . Check for proper foot pressure; make sure feed teeth
are raised and operating correctly; lengthen stitch
length. F
abric should feed automatically. Pulling the
fabric will throw the machine out of time.
MACHINE IS NOISY AND Machine needs oil. . . . . . . . . . . . . . . . Refer to cleaning and maintenance instructions
ROUGH WHEN SEWING Lint and oil residue have collected . . . Clean race and hook according to instructions
in hook or on needle bar
Inferior oil has been used . . . . . . . . . . Clean and oil again. Use only fine sewing machine
oil. Do not use WD40.
Needle is damaged . . . . . . . . . . . . . . . Insert new needle
Stitch length and/or width dials are set . Refer to instructions for proper machine settings
incorrectly for the type of stitch used
TROUBLESHOOTING GUIDE