Troubleshooting - Brother Simplicity SB7050E Operation Manual

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APPENDIX

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
The machine is not turned on.
The start/stop button was not
pressed.
The presser foot lever is raised.
The machine does
not operate.
The bobbin winder shaft is on the
right side after winding the
bobbin.
The embroidery unit is not
attached on the machine.
The needle is incorrectly installed. Correctly install the needle.
The needle clamp screw is loose.
The needle is bent or blunt.
The upper thread tension is too
tight.
The spool is incorrectly installed.
The area around the hole in the
needle plate is scratched, or has a
burr on it.
The needle breaks.
The area around the hole in the
embroidery foot is scratched, or
has a burr on it.
The bobbin case is scratched, or
has a burr on it.
A bobbin designed specifically for
this machine is not used.
The upper thread was not
threaded correctly.
The upper thread was not
threaded correctly (for example,
the spool is not installed correctly,
The upper thread
the spool cap is too big for the
breaks.
spool being used, or the thread
has come out of the needle bar
thread guide.)
82
Probable Cause Remedy
Turn on the machine.
Press the start/stop button.
Lower the presser foot lever.
Slide the bobbin winder shaft to the
left.
Attach the embroidery unit.
Use the screwdriver to firmly tighten
the screw.
Replace the needle.
Loosen the upper thread tension.
Correctly install the spool.
Replace the needle plate. Contact
your dealer or the nearest authorized
service center.
Replace the embroidery foot. Contact
your dealer or the nearest authorized
service center.
Replace the bobbin case. Contact
your dealer or the nearest authorized
service center.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
Correct the upper threading.
Correct the upper threading.
Use the spool cap that best fits the
size of the spool being used.
Reference
page 18
page 59
page 59
page 33
page 19
page 28
page 64
page 37
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page 29
page 38
page 37