Filter
Top Products
59
5. PERFORMANCE CHECKLIST
GENERAL PROBLEMS
Machine does not sew.
* Power switch is turned off.
-
Turn on the switch.
* Assure foot controller plug is fully engaged (pushed into its socket).
* Buttonhole lever is not raised when sewing stitch patterns.
– Raise buttonhole lever.
* Buttonhole lever is not lowered when sewing buttonhole.
– Lower buttonhole lever.
* Bobbin winder is engaged.
– Disengage bobbin winder (see page 15).
Machine jams/knocks.
* Thread is caught in hook.
-
Clean hook (see page 56 - 57).
* Needle is damaged.
-
Replace needle (see page 23).
Fabric does not move.
* Presser foot is not lowered
-
Lower presser foot.
* Stitch length is too short
-
Lengthen stitch length.
STITCHING PROBLEMS
Machine skips stitches.
* Needle is not all the way up into needle clamp (see page 23).
* Needle is bent or blunt.
-
Replace needle (see page 23).
* Machine is not threaded correctly (see page 17 -18).
* Thread is caught in hook.
-
Clean hook (see page 56 - 57).
Stitches are irregular.
* Needle size is not correct for thread and fabric (see page 23).
* Machine is not threaded correctly (see page 17 - 18).
* Top thread tension is too loose (see page 24 - 25).
* Fabric is being pulled or pushed against machine feeding action.
-
Guide it gently.
* Bobbin has not been wound evenly.
-
Rewind bobbin.
Needle breaks.
* Fabric is being pulled or pushed against machine feeding action.
-
Guide it gently.
* Needle size is not correct for thread and fabric (see page 23).
* Needle is not all the way up into the needle clamp (see page 23).
* Too much thread appears on the underside of stitching.
* Upper thread not correctly thread (see page 17 - 18 ).
THREAD PROBLEMS
Thread bunches.
* Top and bobbin threads are not drawn back under presser foot before starting seam.
-
Draw both threads back under presser foot about 4" (10 cm) and hold until a few stitches are formed.
Needle thread breaks.
* Machine is not threaded correctly (see page 17 - 18).
* Top thread tension is too tight (see page 24 - 25).
* Needle is bent.
-
Replace needle (see page 23).
* Needle size is not correct for thread and fabric (see page 21 - 22).
Bobbin thread breaks.
* Bobbin case is not threaded correctly (see page 16 - 17).
* Lint accumulates in bobbin case or hook.
-
Remove lint (see page 56 - 57).
Fabric puckers.
* Top thread tension is too tight.
-
Adjust thread tension (see page 24 - 25).
* Stitch length is too long for sheer or soft fabric.
-
Shorten stitch length.