How to put it right; The sewing ; machine does - Page 74

APPENDIX

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72

TROUBLESHOOTING

If the machine stops operating correctly, check the following possible problems before requesting service. 
You can solve most problems by yourself. If you need additional help, the Brother Solutions Center offers the 
latest FAQs and troubleshooting tips. Visit us at [http://solutions.brother.com]. 
If the problem persists, contact your dealer or the nearest authorized service center.

Symptom

Possible cause

How to put it right

Reference

The sewing 

machine does 

not work.

The machine is not plugged in.

Plug the machine in.

page 9

The main power switch is turned off. Turn on the main power switch.

page 9

The bobbin winder shaft is pushed to 

the right.

Move the bobbin winder shaft to the 

left.

page 13, 14

You have not used the foot control-

ler properly.

Use the foot controller properly.

page 10

The needle 

breaks.

The needle is not fitted properly.

Fit the needle properly.

page 22

The needle clamp screw is loose.

Use the screwdriver to firmly tighten 

the screw.

page 23

The needle is bent or blunt.

Replace the needle.

page 22

You have not used the right combi-

nation of fabric, thread and needle.

Choose a thread and needle that are 

appropriate for the type of fabric. 

page 21

The presser foot you are using is not 

appropriate for the type of stitch that 

you want to sew.

Attach the presser foot that is correct 

for the type of stitch that you want to 

sew.

page 35

The upper thread tension is too tight. Loosen the upper thread tension.

page 31

You are pulling the fabric too much.

Lightly guide the fabric.

–

The area around the hole in the nee-

dle plate is scratched.

Replace the needle plate.

Contact your retailer or the nearest 

authorized service center.

–

The area around the hole in the 
presser foot is scratched.

Replace the presser foot.

Contact your retailer or the nearest 

authorized service center.

–

The bobbin case is scratched.

Replace the bobbin case.

Contact your retailer or the nearest 

authorized service center.

–

You have not used a bobbin that has 

been designed for this machine.

Incorrect bobbins will not work 

properly. Only use a bobbin that has 

been designed for this machine.

page 12

The upper 

thread breaks.

You have not threaded the upper 

thread properly. (for example, you 

have not fitted the spool properly, or 

the thread has come out of the guide 

above the needle.)

Correct the upper threading.

page 17

There are knots or tangles in the 

thread.

Remove any knots or tangles.

–

The needle is not appropriate for the 

thread you are using.

Choose a needle that is appropriate 

for the type of stitch. 

page 21

The upper thread tension is too tight. Loosen the upper thread tension.

page 31

The thread is tangled, for example, 

in the bobbin case.

Remove the tangle thread. If the 
thread is tangled in the bobbin case, 
clean the bobbin case.

page 70

The needle is bent or blunt.

Replace the needle.

page 22