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Troubleshooting
A-16
■ While sewing
Symptom Probable Cause Remedy Reference
Machine does not
operate.
“Start/Stop” button was not pressed. Press the “Start/Stop” button. B-33
The bobbin winder shaft is pushed to the right. Move the bobbin winder shaft to the left. B-13
There is no pattern selected. Select a pattern. B-32
Presser foot is not lowered. Lower the presser foot. B-33
“Start/Stop” button was pushed with the foot
controller attached.
Remove the foot controller, or use the foot
controller to operate the machine.
B-34
The “Start/Stop” button was pressed while the
machine is set for the sewing speed controller
to control the zigzag stitch width.
Use the foot controller instead of the “Start/
Stop” button to operate the machine, or press
to turn off the width control function.
B-34
Needle breaks.
Needle is installed incorrectly. Reinstall the needle correctly. B-27
Needle clamp screw is not tightened. Tighten the needle clamp screw. B-27
Needle is turned or bent. Replace the needle. B-27
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle
Combinations” chart.
B-26
Wrong presser foot was used. Use the recommended presser foot. B-30
Upper thread tension is too tight. Adjust the thread tension setting. B-39
Fabric is pulled during sewing. Do not pull the fabric during sewing. –
Spool cap is set incorrectly. Check the method for attaching the spool cap,
then reattach the spool cap.
B-13
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.
1 Notch
Replace the needle plate, or consult your
authorized Brother dealer.
A-8
There are scratches around the opening in the
presser foot.
Replace the presser foot, or consult your
authorized Brother dealer.
B-29
There are scratches on the bobbin case. Replace the bobbin case, or consult your
authorized Brother dealer.
A-2
Needle is defective. Replace the needle. B-27
A bobbin designed specifically for this machine
is not used.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
B-13
Upper threading is incorrect. Check the steps for threading the machine and
rethread the machine.
B-19
Bobbin is set incorrectly. Reset the bobbin thread correctly. B-16
Presser foot is attached incorrectly. Attach the presser foot correctly. B-29
Screw of the presser foot holder is loose. Securely tighten the screw of the presser foot. B-30
Fabric is too thick. Use fabric that the needle can pierce when the
handwheel is turned.
B-26, S-4
Fabric is fed forcefully when sewing thick fabric
or thick seams.
Allow the fabric to be fed without being
forcefully pushed.
S-4
a
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