Brother International CS-6000/6000b/6000t Operation Manual - Page 55

The upper, thread breaks., The lower, thread is tangled, or breaks., The thread ten, sion is

Page 55 highlights

Symptom Possible cause How to put it right Reference You have not inserted the needle properly. Insert the needle properly. page 17 The area around the hole in the needle plate is scratched. Replace the needle plate. Contact your retailer or the nearest authorised service center. - The upper thread breaks. The area around the hole in the presser foot is scratched. Replace the presser foot. Contact your retailer or the nearest authorised service center. - The bobbin case is scratched, or has a burr on it. Replace the bobbin case. Contact your retailer or the nearest authorised 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 9 You have not wound the bobbin thread properly. Wind the bobbin thread properly. page 9 The bobbin is scratched or does not turn smoothly. Replace the bobbin. - The lower thread is tangled The thread is tangled. or breaks. Remove the tangled thread and clean the bobbin case. page 50 4 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 9 Bobbin is set incorrectly. Reset the bobbin thread correctly. page 11, 12 You have not threaded the upper thread properly. Correct the upper threading. page 13 You have not wound the bobbin thread properly. Wind the bobbin thread properly. page 9 The thread tension is incorrect. You have not threaded the right combination of thread and needle for the fabric you are using. You have not attached the presserfoot holder properly. Choose a thread and needle that are appropriate for the type of fabric. Attach the presser-foot holder properly. page 16 page 21 The thread tension is incorrect. Adjust the tension of the upper thread. page 25 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 9 Bobbin is set incorrectly. Reset the bobbin thread correctly. page 11, 12 You have not threaded the upper thread properly or fitted the bobbin properly. Thread the upper thread and wind the bobbin thread properly. page 11, 12, 13 You have not fitted the spool properly. Fit the spool properly. - The fabric is wrinkled. You have not used the right combination of fabric, thread and needle. Choose a thread and needle that are appropriate for the type of fabric. page 16 The needle is bent or blunt. Replace the needle. page 17 If you are sewing thin fabric, the stitch is too thick. Sew with stabiliser material under the fabric. page 26 The thread tension is incorrect. Adjust the tension of the upper thread. page 25 53

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53
4
The upper
thread breaks.
You have not inserted the needle
properly.
Insert the needle properly.
page 17
The area around the hole in the nee-
dle plate is scratched.
Replace the needle plate.
Contact your retailer or the nearest
authorised service center.
The area around the hole in the
presser foot is scratched.
Replace the presser foot.
Contact your retailer or the nearest
authorised service center.
The bobbin case is scratched, or has
a burr on it.
Replace the bobbin case.
Contact your retailer or the nearest
authorised 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 9
The lower
thread is tangled
or breaks.
You have not wound the bobbin
thread properly.
Wind the bobbin thread properly.
page 9
The bobbin is scratched or does not
turn smoothly.
Replace the bobbin.
The thread is tangled.
Remove the tangled thread and
clean the bobbin case.
page 50
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 9
Bobbin is set incorrectly.
Reset the bobbin thread correctly.
page 11, 12
The thread ten-
sion is incorrect.
You have not threaded the upper
thread properly.
Correct the upper threading.
page 13
You have not wound the bobbin
thread properly.
Wind the bobbin thread properly.
page 9
You have not threaded the right
combination of thread and needle
for the fabric you are using.
Choose a thread and needle that are
appropriate for the type of fabric.
page 16
You have not attached the presser-
foot holder properly.
Attach the presser-foot holder prop-
erly.
page 21
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 25
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 9
Bobbin is set incorrectly.
Reset the bobbin thread correctly.
page 11, 12
The fabric is
wrinkled.
You have not threaded the upper
thread properly or fitted the bobbin
properly.
Thread the upper thread and wind
the bobbin thread properly.
page 11, 12, 13
You have not fitted the spool prop-
erly.
Fit the spool properly.
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 16
The needle is bent or blunt.
Replace the needle.
page 17
If you are sewing thin fabric, the
stitch is too thick.
Sew with stabiliser material under
the fabric.
page 26
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 25
Symptom
Possible cause
How to put it right
Reference