Brother International Innov-is 80 Operation Manual - Page 139

List of symptoms

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Page 139 highlights

List of symptoms Symptom Probable Cause Remedy Reference The machine is not turned on. Turn on the machine. page 17 The start/stop button was not pressed. Press the start/stop button. page 52 The sewing machine does not operate. The presser foot lever is raised. The start/stop button was pressed, even though the foot controller is connected. Lower the presser foot lever. Do not use the start/stop button when the foot controller is connected. To use the start/stop button, disconnect the foot controller. - page 52 The bobbin winder shaft is pushed to Move the bobbin winder shaft to the right. the left. page 24 The needle is incorrectly installed. Correctly install the needle. The needle clamp screw is loose. Use the screwdriver to firmly tighten the screw. page 39 4 The needle is bent or blunt. Replace the needle. The combination of fabric, thread and needle is not correct. Select a thread and needle that are appropriate for the type of fabric being sewn. page 38 The presser foot that is used is not Attach the presser foot that is appropriate for the type of stitch that appropriate for the type of stitch you wish to sew. that you wish to sew. page 120 The upper thread tension is too tight. Loosen the upper thread tension. page 57 The fabric is pulled too much. The needle breaks. The spool is incorrectly installed. Lightly guide the fabric. Correctly install the spool. - page 28 The area around the hole in the Replace the needle plate. Contact needle plate is scratched, or has a your dealer or the nearest - burr on it. authorized service center. The area around the hole in the Replace the presser foot. Contact presser foot is scratched, or has a your dealer or the nearest - burr on it. authorized service center. The bobbin case is scratched, or has a burr on it. Replace the bobbin case. Contact your dealer or the nearest authorized service center. - A bobbin designed specifically for this machine is not used. Incorrect bobbins will not work properly. Only use a bobbin designed specifically for this machine. page 22 Troubleshooting 137

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Troubleshooting
137
4
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List of symptoms
Symptom
Probable Cause
Remedy
Reference
The sewing
machine does not
operate.
The machine is not turned on.
Turn on the machine.
page 17
The start/stop button was not
pressed.
Press the start/stop button.
page 52
The presser foot lever is raised.
Lower the presser foot lever.
–
The start/stop button was pressed,
even though the foot controller is
connected.
Do not use the start/stop button
when the foot controller is
connected. To use the start/stop
button, disconnect the foot
controller.
page 52
The bobbin winder shaft is pushed to
the right.
Move the bobbin winder shaft to
the left.
page 24
The needle breaks.
The needle is incorrectly installed.
Correctly install the needle.
page 39
The needle clamp screw is loose.
Use the screwdriver to firmly
tighten the screw.
The needle is bent or blunt.
Replace the needle.
The combination of fabric, thread
and needle is not correct.
Select a thread and needle that
are appropriate for the type of
fabric being sewn.
page 38
The presser foot that is used is not
appropriate for the type of stitch that
you wish to sew.
Attach the presser foot that is
appropriate for the type of stitch
that you wish to sew.
page 120
The upper thread tension is too tight.
Loosen the upper thread tension.
page 57
The fabric is pulled too much.
Lightly guide the fabric.
–
The spool is incorrectly installed.
Correctly install the spool.
page 28
The area around the hole in the
needle plate is scratched, or has a
burr on it.
Replace the needle plate. Contact
your dealer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched, or has a
burr on it.
Replace the presser foot. Contact
your dealer or the nearest
authorized service center.
–
The bobbin case is scratched, or has
a burr on it.
Replace the bobbin case. Contact
your dealer or the nearest
authorized service center.
–
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
page 22