Brother International BAS-415 Instruction Manual - English - Page 80

Problem, Check, point

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In case of a malfunction, diagnose the problem referring to the table below. If the problem persists, turn off the power and contact your dealer. Problem Check point 1. The display is blank, though power is 1. Is contrast dial properly adjusted? on. 2. The indicator does not light, though a floppy disk is in disk drive. 1. Is floppy disk damaged? 2. Is disk drive functioning properly? 3. Thread breakage 1. Is machine properly threaded? 2. Is thread tension too high? 3. Is rotary hook assembly clogged? 4. Is there thread in the bobbin? 5. Is needle bent? 6. Is there a rough edge or flaw on needle plate, rotary hook, or bobbin case that might cut the thread? 7. Is needle installed correctly? 4. Needle touches embroidery hoop. 1. Is embroidery hoop too small? 5. Bobbin thread cannot be wound. 6. Needle breaks. 1. Is needle direction and height properly adjusted? 2. Is needle bent? 3. Is needle tip blunted? 4. Is timing of needle and rotary hook correct? 5. Is there looseness or play in the needle bar case? When there is play in the needle bar case collar • collar cam shaft • 7. Monograms are not sewn properly. Adjust collar when there is looseness of cam shaft in needle bar flip-up mechanism. 6. Is rotary hook holder properly attached so that rotary hook does not rotate? 1. Is material edge caught in the machine? (Are embroidery hoop and other related parts operating correctly? ) 2. Is material stretched properly? 3. Is thread tension proper? - 77 -

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In
case
of
a
malfunction,
diagnose
the
problem
referring
to
the
table
below.
If
the
problem
persists,
turn
off
the
power
and
contact
your
dealer.
Problem
Check
point
1.
The
display
is
blank,
though
power
is
on.
1.
Is
contrast
dial
properly
adjusted?
2.
The
indicator
does
not
light,
though
a
floppy
disk
is
in
disk
drive.
1.
2.
Is
floppy
disk
damaged?
Is
disk
drive
functioning
properly?
3.
Thread
breakage
1.
2.
3.
4.
5.
6.
7.
Is
machine
properly
threaded?
Is
thread
tension
too
high?
Is
rotary
hook
assembly
clogged?
Is
there
thread
in
the
bobbin?
Is
needle
bent?
Is
there
a
rough
edge
or
flaw
on
needle
plate,
rotary
hook,
or
bobbin
case
that
might
cut
the
thread?
Is
needle
installed
correctly?
4.
Needle
touches
embroidery
hoop.
1.
Is
embroidery
hoop
too
small?
5.
Bobbin
thread
cannot
be
wound.
6.
Needle
breaks.
1.
2.
3.
4.
5.
6.
Is
needle
direction
Is
needle
bent?
Is
needle
tip
blunted?
Is
timing
of
needle
Is
there
looseness
When
there
is
collar
•
Adjust
col
lar
when
bar
flip
-up
mechanism.
Is
rotary
hook
holder
does
not
rotate?
and
height
properly
adjusted?
and
rotary
hook
correct?
or
play
in
the
needle
bar
case?
play
in
the
needle
bar
case
collar
cam
shaft
•
there
is
looseness
of
cam
shaft
in
needle
properly
attached
so
that
rotary
hook
7.
Monograms
are
not
sewn
properly.
1.
2.
3.
Is
material
edge
caught
in
the
machine?
(Are
embroidery
hoop
and
other
related
parts
operating
correctly?
)
Is
material
stretched
properly?
Is
thread
tension
proper?
-
77
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