Troubleshooting
266
While Operating
Symptom, Cause/solution
Reference
Machine does not operate.
“Start/Stop” button was not pressed. 14
There is no stitch pattern selected. 51
There is no pattern selected. 134
Presser foot is not lowered. 14
“Start/Stop” button was pressed with the foot
controller attached.
53
The “Start/Stop” button was pressed while the
machine is set for the sewing speed controller to
control the zigzag stitch width.
22, 53
Needle breaks.
Needle is installed incorrectly. 36
Needle clamp screw is not tightened. 36
Needle is turned or bent. 36
Using improper needle or thread for the selected
fabric.
34
Wrong presser foot was used. 273
Upper thread tension is too tight. 62, 165
Fabric is pulled during sewing. —
Spool cap is set incorrectly. 42
There are scratches around the opening in the
needle plate.
* There is a notch on the left side of the opening
in the needle plate. This is not a scratch.
a Notch
*
There are scratches around the opening in the
presser foot.
*
There are scratches on the bobbin case. *
Needle is defective. 36
A bobbin designed specifically for this machine is
not used.
37
Upper threading is incorrect. 42
Bobbin is set incorrectly. 40
Presser foot is attached incorrectly. 48
Screw of the presser foot holder is loose. 48
Fabric is too thick. 78
Fabric is fed forcefully when sewing thick fabric or
thick seams.
78
Stitch length is too short. 61
Stabilizer is not attached to fabric being
embroidered.
127
Bobbin thread is incorrectly wound. 37
Upper thread breaks.
Machine is not threaded correctly (used the wrong
spool cap, spool cap is loose, the thread did not
catch the needle bar threader, etc.)
42
Knotted or tangled thread is being used. —
The selected needle is not appropriate for the
thread being used.
34
Upper thread tension is too tight. 62, 165
Thread is twisted. —
Needle is turned, bent or the point is dull. 36
Needle is installed incorrectly. 36
There are scratches around the opening of the
needle plate.
* There is a notch on the left side of the opening
in the needle plate. This is not a scratch.
a Notch
*
There are scratches around the opening in the
presser foot.
*
There are scratches on the bobbin case. *
Using improper needle or thread for the selected
fabric.
34
While sewing, the thread became knotted or
tangled.
40, 42
A bobbin designed specifically for this machine is
not used.
37
The ball point needle for embroidery is not being
used when embroidering patterns with short
stitches, such as small letters.
34
The thread is tangled on the wrong side of the fabric.
Upper threading is incorrect. 42
Using improper needle or thread for the selected
fabric.
34
The ball point needle for embroidery is not being
used when embroidering patterns with short
stitches, such as small letters.
34
The upper thread is too tight.
The bobbin thread is incorrectly installed. 40
Bobbin thread breaks.
Bobbin is set incorrectly. 40
Bobbin thread is incorrectly wound. 37
There are scratches on the bobbin or it does not
rotate properly.
40
Thread is twisted. —
Symptom, Cause/solution
Reference
a
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