Brother International BAS-411 Instruction Manual - English - Page 168

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Problem Check point 10. Upper shaft does not turn. 1. Is thread tangled in rotary hook? [How to adjust] Remove rotary hook and see whether upper shaft rotates or not. If thread is tangled, turn upper shaft by force to trim thread or remove rotary hook and thread. 11. Stitch cannot be made. 1. Is needle attached properly? 2. Is timing of needle and rotary hook correct? 12. When the power is turned on, the hoop moves till the hoop is over the sewing area. 13. When sewing is resumed in restart mode, the hoop moves till the hoop is over the area. 14. Thread breakage detector functions and machine stops although thread breakage does not occur. Turn off the power, then turn on the power again while pressing the emergency button. When there is a problem even if this is done, contact your dealer. Is thread breakage detect stud operation normal? (Is spring tension proper?) -164-

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Problem
Check
point
10.
Upper
shaft
does
not
turn.
1.
Is
thread
tangled
in
rotary
hook?
[How
to
adjust]
Remove
rotary
hook
and
see
whether
upper
shaft
rotates
or
not.
If
thread
is
tangled,
turn
upper
shaft
by
force
to
trim
thread
or
remove
rotary
hook
and
thread.
11.
Stitch
cannot
be
made.
1.
Is
needle
attached
properly?
2.
Is
timing
of
needle
and
rotary
hook
correct?
12.
When
the
power
is
turned
on,
the
hoop
moves
till
the
hoop
is
over
the
sewing
area.
Turn
off
the
power,
then
turn
on
the
power
again
while
pressing
the
emergency
button.
When
there
is
a
problem
even
if
this
is
done,
contact
your
dealer.
13.
When
sewing
is
resumed
in
restart
mode,
the
hoop
moves
till
the
hoop
is
over
the
area.
14.
Thread
breakage
detector
functions
and
machine
stops
although
thread
breakage
does
not
occur.
Is
thread
breakage
detect
stud
operation
normal?
(Is
spring
tension
proper?)
—164—