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Troubleshooting
61
APPENDIX
4
If the thread becomes tangled under the
bobbin winder seat
If the bobbin winding starts when the thread is not passed
under the pretension disk of the bobbin-winding thread guide
correctly, the thread may become tangled under the bobbin
winder seat.
a
Stop the bobbin winding.
b
Cut the thread with scissors beside the bobbin-winding
thread guide.
c
Slide the bobbin winder shaft to the left, and then
remove the bobbin from the shaft and cut the thread
leading to the bobbin in order to be able to completely
remove the bobbin from shaft.
d
Hold the thread end with your left hand, and wind off
the thread clockwise from under the bobbin winder
seat with your right hand as shown below.
List of symptoms
Check the following possible problems before requesting
service. If the reference page is “*”, contact your authorized
Brother dealer or the nearest Brother authorized service
center.
■ Getting ready
CAUTION
• Do not remove the bobbin winder seat even if
the thread become tangled under the bobbin
winder seat. Otherwise, the cutter in the
bobbin winder seat may be damaged.
• Do not remove the screw on the bobbin
winder guide post, otherwise the machine may
be damaged; you cannot wind off the thread
by removing the screw.
1 Screw of the bobbin winder guide post
a
Symptom, Cause/solution
Reference
Cannot thread the needle.
Needle is not in the correct position.
• Press the “Needle position” button to raise the
needle.
6
Needle is installed incorrectly. 20
Needle is turned, bent or the point is dull. 20
Upper threading is incorrect.
The needle threader lever is not lowered until it
clicks.
15
The needle threader hook is bent and does not
pass through the eye of the needle.
*
The needle threader lever cannot be moved or
returned to its original position.
*
A size 65/9 needle is being used.
• The needle is incompatible with the needle
threader. Manually pass the thread through the
eye of the needle.
17
Bobbin thread does not wind neatly on the bobbin.
The thread is not passed through the bobbin
winding thread guide correctly.
12
The thread that was pulled out from the bobbin-
winding thread guide was incorrectly wound onto
the bobbin.
13
The empty bobbin was not set on the pin
properly.
12
While winding the bobbin, the bobbin thread was
wound below the bobbin winder seat.
The thread was incorrectly passed under the
pretension disk on the bobbin-winding thread
guide.
• Remove any entangled thread, and then wind
the bobbin.
12, 61
The bobbin thread cannot be pulled up.
Needle is turned, bent or the point is dull. 20
Bobbin is set incorrectly. 14
Nothing appears in the LCD.
Main power switch is not turned on. 9
The plug of the power cord is not inserted into an
electrical outlet.
9
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