Symptom

Possible cause

How to put it right

Page

 

The needle is bent or blunt.

Replace the needle.

7

 

 

 

 

 

 

 

The needle is incorrectly installed.

Correctly install the needle.

7

 

 

 

 

 

 

 

The area around the hole in the needle

Replace the needle plate.

 

 

 

Contact your retailer or the nearest

 

 

plate or the presser foot is scratched.

 

The upper

authorized service center.

 

 

 

 

 

thread

 

 

 

 

 

Replace the bobbin case.

 

 

breaks.

The bobbin case is scratched, or has a burr

 

 

 

Contact your retailer or the nearest

 

 

on it.

 

 

authorized service center.

 

 

 

 

 

 

 

 

 

 

 

 

You have not used a bobbin that has been

Use a bobbin that has been designed for

11

 

 

designed for this machine.

this machine.

 

 

 

 

 

 

 

 

 

 

You have not wound the bobbin thread

Wind the bobbin thread properly.

11

 

 

properly.

 

 

 

 

 

 

 

 

 

 

 

The bobbin is scratched or does not turn

Replace the bobbin.

 

The lower

smoothly.

 

 

 

 

 

 

 

 

thread is

The thread is tangled.

Remove the tangled thread and clean

37

 

tangled or

 

the race.

 

breaks.

 

 

 

 

 

 

 

 

You have not used a bobbin that has been

Use a bobbin that has been designed for

11

 

 

designed for this machine.

this machine.

 

 

 

 

 

 

 

 

 

 

Bobbin is set incorrectly.

Reset the bobbin thread correctly.

13-14

 

 

 

 

 

 

 

You have not threaded the upper thread

Correct the upper threading.

15

 

 

properly.

 

 

 

 

 

 

 

 

 

 

 

You have not wound the bobbin thread

Wind the bobbin thread properly.

11

 

 

properly.

 

 

 

 

 

 

 

 

 

 

 

You have not threaded the right

Choose a thread and needle that are

 

 

 

combination of thread and needle for the

20

 

The thread

appropriate for the type of fabric.

 

fabric you are using.

 

 

 

 

 

tension is

 

 

 

 

 

 

 

 

incorrect.

You have not attached the presser foot

Attach the presser foot holder properly.

 

 

holder properly.

 

 

 

 

 

 

 

 

 

 

 

The thread tension is incorrect.

Adjust the tension of the upper thread.

25

 

 

 

 

 

6

 

You have not used a bobbin that has been

Use a bobbin that has been designed

11

 

designed for this machine.

for this machine.

 

 

 

 

 

 

 

 

 

 

 

Bobbin is set incorrectly.

Reset the bobbin thread correctly.

13-14

 

 

 

 

 

 

 

You have not threaded the upper thread

Thread the upper thread and wind the

11-18

 

 

properly or fitted the bobbin properly.

bobbin thread properly.

 

 

 

 

 

 

 

 

 

 

You have not fitted the spool properly.

Fit the spool properly.

15, 23

 

 

 

 

 

 

 

You have not used the right

Choose a thread and needle that are

 

 

 

combination of fabric, thread and

20

 

 

appropriate for the type of fabric.

 

 

needle.

 

 

 

 

 

 

The fabric is

 

 

 

 

The needle is bent or blunt.

Replace the needle.

7

 

wrinkled.

 

 

 

 

 

 

If thin fabrics are being sewn, the fabric is

Sew with stabilizer material under the

23

 

 

not being fed correctly.

fabric.

 

 

 

 

 

 

 

 

 

 

The presser foot you are using is not

Attach the presser foot that is correct

 

 

 

appropriate for the type of stitch that you

for the type of stitch that you want to

33

 

 

want to sew.

sew.

 

 

 

 

 

 

 

 

The thread tension is incorrect.

Adjust the tension of the upper thread.

25

 

 

 

 

 

 

40