Brother ULT-2002D Operation Manual page 301

Problem
1 There is a mistake in the upper or bob-
bin threading.
2 Spool cap is set incorrectly.
Fabric 3 Using improper needle or thread for the
puckers 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.
High-
3 Upper threading is incorrect.
pitched
sound
while
4 There are scratches on the race.
sewing
1 Needle is not in the correct position.
Can not
thread the 2 Threading hook does not pass through
needle the eye of the needle.
3 Needle is installed incorrectly.
1 Upper threading is incorrect.
Thread
2 Bobbin is set incorrectly.
tension is
3 Using improper needle or thread for the
incorrect
selected fabric.
4 Presser foot holder is not attached cor-
rectly.
5 Thread tension is set incorrectly.
1 Wrong presser foot was used.
Character
2 Pattern adjustment settings were set
pattern
incorrectly.
does not
3 Did not use a stabilizer material on thin
turn out
fabrics or stretch fabrics.
4 Thread tension is set incorrectly.
9-6
Cause
Troubleshooting
Solution
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.
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