Troubleshooting
260
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 support website
offers the latest FAQs and troubleshooting tips.
Visit us at https://s.brother/cpdae/
.
If the problem persists, contact your authorized
Brother dealer or the nearest Brother authorized
service center.
Frequent Troubleshooting Topics
Detailed causes and remedies for common
troubleshooting topics are described below. Be
sure to refer to this before contacting your
authorized Brother dealer.
• “Upper Thread Is Too Tight” on page 260
• “Tangled Thread on Wrong Side of Fabric” on
page 261
• “Incorrect Thread Tension” on page 261
• “Fabric Is Caught in the Machine and Cannot be
Removed” on page 262
• “If the Thread Becomes Tangled Under the
Bobbin Winder Seat” on page 263
Symptom
• The upper thread appears as a single
continuous line.
• The bobbin thread is visible from the right side
of the fabric. (Refer to the illustration below.)
• The upper thread has tightened up, and comes
out when pulled.
• The upper thread has tightened up, and
wrinkles appear in the fabric.
• The upper thread tension is tight, and the
results do not change even after the thread
tension is adjusted.
a Wrong side of fabric
b Bobbin thread visible from right side of fabric
c Upper thread
d Right side of fabric
e Bobbin thread
Cause
Incorrect bobbin threading
If the bobbin thread is incorrectly threaded, instead
of the appropriate tension being applied to the
bobbin thread, it is pulled through the fabric when
the upper thread is pulled up. For this reason, the
thread is visible from the right side of the fabric.
Remedy
Correctly install the bobbin thread. (page 40)
Troubleshooting
• The instructional videos are available online
and can be viewed on any mobile device or
computer.
https://s.brother/cvdae/
• You can also access them using the QR code
that appears in the screen. (page 29)
Upper Thread Is Too Tight
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