White 1499 - Trouble-Shooting Guide

TROUBLE-SHOOTING
GUIDE
,
CONDITION
CAUSE
REMEDY
-
-________
1.
Machine
is
threaded
incorrectly.
I
.
Rethread
machine
and
needle.
2.
Tension
is
too
tight.
I
2.
Reduce
tension
on
top
(smaller
numbers).
3.
Thread
is
too
heavy
for
needle
size.
3.
Use
larger
needle.
Top
thread
breaks
4.
Needle
is
inserted
incorrectly.
4.
Reinsert
needle
(flat
side
toward
bock).
5.
Thread
may
he
couht
on
reel
holder.
5.
Remove
spool,
rewind
excess
thread.
6.
Needle
is
damage.
6.
Insert
new
needle.
1.
Bobbin
case
is
not
inserted
correctly.
1.
Reposition
bobbin.
Check
by
pulling
thread.
If
it
pulls
Lower
thread
breaks
smoothly
it
is
correct.
2.
Bobbin
case
is
improperly
threoded.
2.
Check
for
correct
threading.
3.
Bobbin
tension
istootight.
3.
Change
bobbin
tension
according
to
instructions.
1.
Needle
is
not
inserted
correctly.
1.
Reinsert
needle
(flat
side
toward
bock).
2.
Needle
is
damaged.
2.
Insert
new
needle.
Skipped
stitches
3.
Wrong
type
of
needle
is
used.
3.
Match
needle
size
to
fabric
and
thread
weight.
4.
Wrong
foot
is
used.
4.
Check
to
see
if
proper
sewing
foot
i
used
5.
Foot
pressure
is
wrong.
Check
foot
pressure
reguon
far
proper
setting.
1.
Needle
is
damaged.
I.
Insert
new
needle.
2.
Needle
is
not
inserted
correctly.
2.
Reinsert
needle
correctly
(flat
side
toward
bock).
Needle
breakage
3.
Fabric
too
heavy/wrong
needle
size.
3.
Match
needle
size
to
thread
&
fabric
weight.
4.
Fabric
is
being
pulled
by
operator.
4.
Do
not
pull
on
cloth.
Check
for
proper
foot
pressure.
5.
Wrong
sewing
foot
is
useci
S
Use
correct
foot.
I.
Needle
is
not
threaded
correctly.
1.
Thread
needle
front
to
back.
2.
Bobbin
is
not
threaded
correctly.
2.
Thread
bobbin
according
to
chart.
Stitching
forms
loops
Needle/fabric/thread
ratio
is
incorrect.
3.
Match
needle
size
to
thread
&
fabric
weight.
4.
Incorrect
tensions.
4.
Set
correct
tensions.
1.
Foot
pressure
is
too
heavy
1.
Reduce
foot
pressure
(smaller
numbers).
2.
Needle
is
too
large
for
falric.
2.
Use
smaller
needle.
Seams
shrink
or
pucker
3.
Wrong
stitch
length
is
used
3.’
Adjust
length
for
proper
stitches.
4.
Tension
is
too
heavy.
4.
Check
tensions
I.
Thread
is
of
poor
quality.
1.
Use
quality
threodl
2.
Foot
pressure
is
too
light.
2.
Increase
foot
pressure
(larger
numbers).
Irregular
stitching/feeding
3
Bobbin
is
threaded
ncorrectly.
3.
Thread
bobbin
aoin
and
check
for
proper
insertion.
4.
MotenoHs
b&ng
pulled
by
operator.
4.
Do
riot
pull
on
ftrbnc
Let
it
feed
outomoticolly.
I.
Machine
needs
oil.
I.
Oil
according
to
instructions.
2.
Lint
and
oil
residue
hove
collected
in
hook
or
on
needle
bar.
2.
Clean
race
orid
hook
according
to
instructions.
Machine
is
noisy
3.
Inferior
oil
has
been
used
and
gums-up
machine.
3.
Clean
and
oil
again
only
with
fine
sewing
machine
o/
and
rough
(not
3-in-i
oil)
4.
Needle
is
danaged.
4.
Replace
needle.
5.
Machine
requires
servicing.
5.
Consult
your
specialist
dealer.
C”4