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8.
TROUBLE
SHOOTING
Following
cases
are
not
failure
of
the
machine.
Check
your
machine
before
you
call
for
service.
Needle
guide
is
threaded
incorrectly.
PROBLEM
CAUSE
SOLUTION
PAGE
Bobbin
winder
shaft
is
on
the
Move
the
bobbin
winder
shaft
to
right
side.
the
left.
P1
1
•
Machine
does
not
sew
Not
plugged
in
correctly.
Plug
the
cord
to
the
machine
and
into
an
electric
outlet
correctly.
P7
Power
and
light
switch
is
turned
Turn
the
switch
ON.
off.
Not
plugged
in
correctly.
Plug
the
cord
to
the
machine
and
into
an
electric
outlet
correctly.
•
Help
window
LCD
does
P7
not
display
Power
and
light
switch
is
turned
Turn
the
switch
ON.
off.
Lint
stuck
in
the
shuttle.
•
Noisy
machine
Clean
the
shuttle
and
the
feed
dog.
P43
•
Slow
speed
Lint
stuck
in
the
feed
dog.
Needle
inserted
incorrectly.
Reset
the
needle.
P20
Needle
clamp
screw
too
loose.
Tighten
the
needle
clamp
screw.
•
Breaking
needle
Upper
thread
tension
is
too
tight.
Adjust
the
thread
tension.
P24
Needle
too
fine
for
the
fabric
or
Use
a
correct
size
needle.
needle
bent.
P20
#65/9
needle
is
being
used.
•
Needle
threader
does
not
work
See
page
21
for
correct
thread
and
needle.
P21
Needle
is
not
raised
to
its
highest
Raise
the
needle
to
its
highest
P17
position.
position.
Needle
inserted
incorrectly.
Reset
the
needle.
P2C
Needle
bent.
Insert
a
new
needle.
Use
the
screwdriver
to
straighten
Hook
of
the
needle
threader
is
the
hook,
so
when
the
needle
bent.
threader
lever
is
pressed
down,
the
hook
will
pass
through
the
needle
eye.
Re-thread
the
needle
guide.
•
Too
much
thread
appears
Incorrect
bobbin
threading.
Re-thread
the
bobbin
thread.
on
the
right
side
of
the
P1
fabric
,“
Wrong
side
Upper
thread
tension
is
too
tight.
Adjust
the
thread
tension.
-
Right
side
P