Brother International PE770 Users Manual - English - Page 78

The lamps do

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APPENDIX Symptom Probable Cause Remedy The upper thread was not threaded correctly. Correct the upper threading. Stitches are skipped. The needle is bent or blunt. Replace the needle. The needle is incorrectly installed. Correctly install the needle. Dust has accumulated under the Remove the needle plate cover and needle plate or in the bobbin case. clean the race. Dust has accumulated in the bobbin case. Clean the race. A high-pitched noise is made while embroidering. The upper thread was not threaded correctly. The bobbin case is scratched, or has a burr on it. Correct the upper threading. Replace the bobbin case. Contact your retailer 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. The thread does not pass through the eye of the needle. The needle has not been raised to the correct position. Press the needle position button. The needle is incorrectly installed. Correctly install the needle. The stitch is not sewn correctly. The thread tension is incorrect. Adjust the tension of the upper thread. The thread is tangled, for example, in the bobbin case. Remove the tangle thread. If the thread is tangled in the bobbin case, clean the race. The lamps do not come on. The lamps are damaged. The machine is not turned on. Contact your retailer or the nearest authorized service center. Turn on the machine. Nothing appears on the LCD. The brightness of the LCD is either too light or too dark. Adjust the brightness of the LCD. Machine does not operate when button is pressed. An animation is displayed on the LCD. Touch the LCD with your finger, and the animation will disappear. Embroidery unit does not move. No pattern selected. The embroidery unit is not set up correctly. Select a pattern. Set up the embroidery unit correctly. Embroidering continues although the bobbin thread ran out. Dust has collected on the bobbin Remove any dust from the bobbin thread sensor. thread sensor. Reference page 30 page 35 page 36 page 70 page 70 page 30 - page 24 page 32 page 36 page 64 page 70 - page 19 page 81 page 20 page 49 page 15 page 70 76

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76
APPENDIX
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Stitches are
skipped.
The upper thread was not
threaded correctly.
Correct the upper threading.
page 30
The needle is bent or blunt.
Replace the needle.
page 35
The needle is incorrectly installed.
Correctly install the needle.
page 36
Dust has accumulated under the
needle plate or in the bobbin case.
Remove the needle plate cover and
clean the race.
page 70
A high-pitched
noise is made
while
embroidering.
Dust has accumulated in the
bobbin case.
Clean the race.
page 70
The upper thread was not
threaded correctly.
Correct the upper threading.
page 30
The bobbin case is scratched, or
has a burr on it.
Replace the bobbin case. Contact
your retailer 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 24
The thread does
not pass through
the eye of the
needle.
The needle has not been raised to
the correct position.
Press the needle position button.
page 32
The needle is incorrectly installed.
Correctly install the needle.
page 36
The stitch is not
sewn correctly.
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 64
The thread is tangled, for example,
in the bobbin case.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the race.
page 70
The lamps do not
come on.
The lamps are damaged.
Contact your retailer or the nearest
authorized service center.
–
The machine is not turned on.
Turn on the machine.
page 19
Nothing appears
on the LCD.
The brightness of the LCD is either
too light or too dark.
Adjust the brightness of the LCD.
page 81
Machine does not
operate when
button is pressed
.
An animation is displayed on the
LCD.
Touch the LCD with your finger, and
the animation will disappear.
page 20
Embroidery unit
does not move
.
No pattern selected.
Select a pattern.
page 49
The embroidery unit is not set up
correctly.
Set up the embroidery unit correctly.
page 15
Embroidering
continues
although the
bobbin thread
ran out.
Dust has collected on the bobbin
thread sensor.
Remove any dust from the bobbin
thread sensor.
page 70
Symptom
Probable Cause
Remedy
Reference