Troubleshooting - Brother NX-600 Operation Manual

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APPENDIX

Troubleshooting

If the machine stops operating correctly, check the following possible problems before requesting service.
If the problem persists, contact your retailer or the nearest authorized service center.
Symptom
The machine is not turned on.
The start/stop button was not
pressed.
The sewing
The presser foot lever is raised.
machine does not
operate.
The start/stop button was pressed,
even though the foot controller is
connected.
The needle is incorrectly installed.
The needle clamp screw is loose.
The needle is bent or blunt.
The combination of fabric, thread
and needle is not correct.
The presser foot that is used is not
appropriate for the type of stitch that
you wish to sew.
The upper thread tension is too tight. Loosen the upper thread tension.
The fabric is pulled too much.
The needle breaks.
The spool is incorrectly installed.
The area around the hole in the
needle plate is scratched, or has a
burr on it.
The area around the hole in the
presser foot is scratched, or has a
burr on it.
The shuttle is scratched, or has a burr
on it.
A bobbin designed specifically for
this machine is not used.
142
Probable Cause Remedy
Turn on the machine.
Press the start/stop button.
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.
Correctly install the needle.
Use the screwdriver to firmly
tighten the screw.
Replace the needle.
Select a thread and needle that
are appropriate for the type of
fabric being sewn.
Attach the presser foot that is
appropriate for the type of stitch
that you wish to sew.
Lightly guide the fabric.
Correctly install the spool.
Replace the needle plate. Contact
your retailer or the nearest
authorized service center.
Replace the presser foot. Contact
your retailer or the nearest
authorized service center.
Replace the shuttle. Contact your
retailer or the nearest authorized
service center.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
Reference
page 11
page 48
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page 48
page 35
page 34
page 132
page 53
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page 24
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page 18