Troubleshooting guide
Problem
Cause
Correction
Reference
Loose stitches
3. Needle/fabric/thread combination is wrong.
3. The needle size must suit the fabric and thread.
18
4. The thread tension is wrong.
4. Correct the thread tension.
23
Seam gather
or pucker
1. The needle is too thick for the fabric.
1. Select a correct needle size.
18
2. The stitch length is wrong.
2. Adjust the stitch length.
31
3. The thread tension is too tight.
3. Loosen the thread tension.
23
Seam
puckering
1. The needle thread tension is too tight.
1. Loosen the thread tension.
23
2. The needle thread is not threaded correctly.
2. Rethread the machine.
16
3. The needle is too heavy for the fabric being sewn.
3. Choose a needle to suit the thread and fabric.
18
4. The stitch length is too long for the fabric.
4. Adjust the stitch length shorter.
31
5. Sewing on thin fabric.
5. Sew with a stabiliser material under the fabric.
42
Patterns are
distorted
1. The presser foot is not suited for the pattern.
1. Select the correct foot.
–
2. The needle thread tension is too tight.
2. Loosen the thread tension.
23
Thread has
jammed
1. Thread is caught in the hook.
Remove the upper thread and bobbin case, turn the handwheel backwards and
forwards and remove the thread remnants.
67
2. The feed dogs are packed with lint.
The machine
is noisy
1. Fluff or oil have collected on the hook or needle bar. 1. Clean the hook and feed dog.
67
2. The needle is damaged.
2. Insert a new needle.
16
3. Thread is caught in the hook.
Remove the upper thread and bobbin case, turn the handwheel backwards and
forwards and remove the thread remands.
67
4. The feed dogs are packed with lint.
Uneven stitches,
uneven feed
1. Poor quality thread.
1. Select a better quality thread.
18
2. The bobbin case is threaded uncorrect.
2. Remove the bobbin case and the thread and reinsert them correctly.
13
3. Fabric has been pulled on.
3. Do not pull on the fabric while sewing, let it be taken up by the machine.
–
The sewing
machine doesn’t
operate
1. The machine is not turned on.
1. Turn on the machine.
12
2. The presser foot lifter is raised.
2. Lower the presser foot lifter.
14
3. The machine is not plugged in.
3. Connect the power cord to the electric outlet.
12