Brother ULT 2003D User Manual
Page 303
9-6
Troubleshooting
1
There is a mistake in the upper or bob-
bin threading.
2
Spool cap is set incorrectly.
3
Using improper needle or thread for the
selected fabric.
4
Needle is turned, bent or the point is dull.
5
Stitches are too long when sewing thin
fabrics.
6
Thread tension is set incorrectly.
7
Wrong presser foot.
1
Dust or lint is caught in the feed dogs.
2
Pieces of thread are caught in the race.
3
Upper threading is incorrect.
4
There are scratches on the race.
1
Needle is not in the correct position.
2
Threading hook does not pass through
the eye of the needle.
3
Needle is installed incorrectly.
1
Upper threading is incorrect.
2
Bobbin is set incorrectly.
3
Using improper needle or thread for the
selected fabric.
4
Presser foot holder is not attached cor-
rectly.
5
Thread tension is set incorrectly.
1
Wrong presser foot was used.
2
Pattern adjustment settings were set
incorrectly.
3
Did not use a stabilizer material on thin
fabrics or stretch fabrics.
4
Thread tension is set incorrectly.
Fabric
puckers
Check the steps for threading the
machine and rethread it correctly.
Check the method for attaching the
spool cap, then reattach the spool
cap.
Check the “Fabric/Thread/Needle
Combination” chart.
Replace the needle.
Shorten the stitch length.
Adjust the thread tension.
Use correct presser foot.
Remove the dust or lint.
Clean the race.
Check the steps for threading the
machine and rethread the ma-
chine.
Replace the race, or consult your
authorized dealer.
Press the “Needle Position” button
to raise the needle.
Press the “Needle Position” button
to raise the needle.
Reinstall the needle correctly.
Check the steps for threading the
machine and rethread the ma-
chine.
Reset the bobbin.
Check the “Fabric/Thread/Needle
Combination” chart.
Reattach the presser foot holder
correctly.
Adjust the thread tension.
Attach the correct presser foot.
Revise the pattern adjustment set-
tings.
Attach a stabilizer material.
Adjust the thread tension.
High-
pitched
sound
while
sewing
Can not
thread the
needle
Thread
tension is
incorrect
Character
pattern
does not
turn out
Problem
Cause
Page
Solution