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■ While Sewing
Problem
Machine does not
"Start/Stop" button was not pressed.
operate.
There is no stitch pattern selected.
Presser foot is not lowered.
"Start/Stop" button was pressed with the foot
controller attached.
The "Start/Stop" button was pressed while the
machine is set for the sewing speed controller
to control the zigzag stitch width.
Needle breaks.
Needle is installed incorrectly.
Needle clamp screw is not tightened.
Needle is turned or bent.
Using improper needle or thread for the
selected fabric.
Wrong presser foot was used.
Upper thread tension is too tight.
Fabric is pulled during sewing.
Spool cap is set incorrectly.
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.
There are scratches around the opening in the
presser foot.
There are scratches on the bobbin case.
Needle is defective.
A bobbin designed specifically for this
machine is not used.
Upper threading is incorrect.
Bobbin is set incorrectly.
Presser foot is attached incorrectly.
Screw of the presser foot holder is loose.
Fabric is too thick.
Fabric is fed forcefully when sewing thick
fabric or thick seams.
Stitch length is too short.
Bobbin thread is incorrectly wound.
Cause
a Notch
a
Solution
Press the "Start/Stop" button.
Select a stitch pattern.
Lower the presser foot.
Remove the foot controller, or use the foot
controller to operate the machine.
Use the foot controller instead of the "Start/
Stop" button to operate the machine, or set
the [Width Control] to [OFF] in the settings
screen.
Reinstall the needle correctly.
Tighten the needle clamp screw.
Replace the needle.
Check the "Fabric/Thread/Needle
Combinations" chart.
Use the recommended presser foot.
Adjust the thread tension.
Do not pull the fabric during sewing.
Check the method for attaching the spool cap,
then reattach the spool cap.
Replace the needle plate, or consult your
authorized Brother dealer.
Replace the presser foot, or consult your
authorized Brother dealer.
Replace the bobbin case, or consult your
authorized Brother dealer.
Replace the needle.
Use a bobbin designed specifically for this
machine.
Check the steps for threading the machine and
rethread the machine.
Reset the bobbin thread correctly.
Attach the presser foot correctly.
Securely tighten the screw of the presser foot.
Use fabric that the needle can pierce when the
handwheel is turned.
Allow the fabric to be fed without being
forcefully pushed.
Adjust the stitch length.
Use a correctly wound bobbin.
TROUBLESHOOTING
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