Brother International PC-7000 Users Manual - English - Page 112

Troubleshooting

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TROUBLESHOOTING Whenever sewing difficulty is encountered, review the section of the instruction book that explains the operation you are performing to make sure you are using the machine correctly. if the problems still exists, the following check list may help you correct it. If you still difficulties, contact your nearest service center. Trouble with threads and stitches Symptom 1. Upper thread breaks 2. Lower thread breaks 3. Slipped stitches 4. Fabric puckers 5. Inability to thread needle 6. Inability for thread tension control. 110 Probable cause Remedy 1. Upper threading is not correct. 1. Re-thread upper thread. 2. Upper thread is entangled. 2. Remove thread-ends in the race or inner rotary hook. 3. Spool of thread is not correctly set. 3. Set spool of thread correctly. 4. Correct needle is not used. 4. Change to proper needle. 5. Inner rotary hook is damaged. 5. Contact service center. 1. Upper thread is entangled. 1. Remove thread-ends in the race or inner rotary hook. 2. Bobbin is not threaded properly in the 2. Set bobbin properly and pull out the shuttle. bobbin thread. 1. Needle is not correctly inserted. 1. Set needle properly. 2. Correct needle is not used. 2. Change to proper needle. 3. The combination of fabric, thread and needle is not correct. 3. Check the "RELATIVE CHART OF SEWING FABRICS, NEEDLE AND THREAD". 4. Dust is clinging under the needle plate. 4. Remove dust by cleaning with a brush. 5. Upper threading is not correct. 5. Re-thread upper thread. 1. Threading is not correct. 1. Re-thread upper and lower thread correctly. 2. Correct needle is not used. 2. Change to proper needle. 3. Combination of fabric, thread and needle is not correct. 3. Check "RELATIVE CHART OF SEWING FABRICS, NEEDLE AND THREAD". 4. Check if thread tension is set at "AUTO" position. 4. See page "THREAD TENSION". 1. Needle position is not correct. 1. Set needle at proper position by "NEEDLE POSITION" button. 2. Hook of needle threader does not fit into the eye of needle. 2. Set needle at proper position by "NEEDLE POSITION" button. 1. Upper threading is not correct. 1. Re-thread upper thread. 2. Set of bobbin thread is not correct. 2. Set bobbin properly and pull out the bobbin thread. 3. Combination of fabric, thread and needle is not correct. 3. Check "RELATIVE CHART OF SEWING FABRICS, NEEDLE AND THREAD". 4. Check if the thread tension is set at "AUTO" position. 4. See page "THREAD TENSION".

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TROUBLESHOOTING
Whenever
sewing
difficulty
is
encountered,
review
the
section
of
the
instruction
book
that
explains
the
opera-
tion
you
are
performing
to
make
sure
you
are
using
the
machine
correctly.
if
the
problems
still
exists,
the
fol-
lowing
check
list
may
help
you
correct
it.
If
you
still
difficulties,
contact
your
nearest
service
center.
Trouble
with
threads
and
stitches
Symptom
Probable
cause
Remedy
1.
Upper
thread
breaks
1.
Upper
threading
is
not
correct.
1.
2.
Re
-thread
upper
thread.
2.
Upper
thread
is
entangled.
Remove
thread
-ends
in
the
race
or
in-
ner
rotary
hook.
3.
4.
Spool
of
thread
is
not
correctly
set.
3.
Set
spool
of
thread
correctly.
Correct
needle
is
not
used.
4.
Change
to
proper
needle.
5.
Inner
rotary
hook
is
damaged.
5.
Contact
service
center.
2.
Lower
thread
breaks
1.
Upper
thread
is
entangled.
1.
Remove
thread
-ends
in
the
race
or
in-
ner
rotary
hook.
2.
1.
Bobbin
is
not
threaded
properly
in
the
shuttle.
2.
Set
bobbin
properly
and
pull
out
the
bobbin
thread.
3.
Slipped
stitches
Needle
is
not
correctly
inserted.
1.
Set
needle
properly.
2.
Correct
needle
is
not
used.
2.
3.
Change
to
proper
needle.
3.
The
combination
of
fabric,
thread
and
needle
is
not
correct.
Check
the
"RELATIVE
CHART
OF
SEW
-
ING
FABRICS,
NEEDLE
AND
THREAD".
4.
5.
1.
Dust
is
clinging
under
the
needle
plate.
4.
Remove
dust
by
cleaning
with
a
brush.
Upper
threading
is
not
correct.
5.
1.
2.
Re
-thread
upper
thread.
4.
Fabric
puckers
Threading
is
not
correct.
Re
-thread
upper
and
lower
thread
cor-
rectly.
2.
Correct
needle
is
not
used.
Change
to
proper
needle.
3.
Combination
of
fabric,
thread
and
needle
is
not
correct.
3.
Check
"RELATIVE
CHART
OF
SEWING
FABRICS,
NEEDLE
AND
THREAD".
4.
1.
Check
if
thread
tension
is
set
at
"AUTO"
position.
4.
See
page
"THREAD
TENSION".
5.
Inability
to
thread
needle
Needle
position
is
not
correct.
1.
Set
needle
at
proper
position
by
"NEEDLE
POSITION"
button.
2.
Hook
of
needle
threader
does
not
fit
into
the
eye
of
needle.
2.
1.
Set
needle
at
proper
position
by
"NEEDLE
POSITION"
button.
6.
Inability
for
thread
tension
control.
1.
Upper
threading
is
not
correct.
Re
-thread
upper
thread.
2.
Set
of
bobbin
thread
is
not
correct.
2.
Set
bobbin
properly
and
pull
out
the
bobbin
thread.
3.
Combination
of
fabric,
thread
and
needle
is
not
correct.
3.
Check
"RELATIVE
CHART
OF
SEWING
FABRICS,
NEEDLE
AND
THREAD".
4.
Check
if
the
thread
tension
is
set
at
"AUTO"
position.
4.
See
page
"THREAD
TENSION".
110