Bernina 43 Manual - Page 27

Problems, Causes

Page 27 highlights

PROBLEMS AND CAUSES •Before calling for service, check the information below. Problem Fabric does not feed. Cause © The presser foot pressure is too light. Needle breakage. C) The needle is bent or the needle point is blunt. ® The needle has been improperly attached to the needle bar. ® You have forcibly pulled the fabric. Thread breakage. Skipping stitches. © Threading is wrong. © Thread tension is too tight. ® The needle has been improperly attached to the needle bar. ® Wrong needle is used. © The needle is bent or the needle point is blunt. © The needle has been improperly attached to the needle bar. ® The machine has been improperly threaded. ® A wrong needle is used. Stitches are irregular. (I) Thread tension is not correct. ® Cutting space is too narrow Fabric is puckering. C) The needle thread tension is too tight. ® The machine has been improperly threaded or a thread has been caught at some unnecessary point. Motor problems. C) Excessive noise. ® The motor will not run. ® Sparks are produced. Corrective action Turn the presser foot pressure adlusting screw clockwise to increase the presser foot pressure. Replace with a new needle. Page 12 14 Attach the needle correctly to the needle bar. Lightly guide on the edges of the fabric while you are sewing. Thread the machine correctly. Decrease the thread tension. Attach the needle correctly to the needle bar. Use correct needle. Replace with a new needle. 14 6 - 7 9-11 14 14 14 Attach the needle correctly to the 14 needle bar. Thread the machine correctly. 6-7 Use the correct needle. Adjust thread tension. Readjust the cutting space width Reduce the needle thread tension. 14 9-11 13 9-11 Re-thread the machine correctly. 6-7 Consult your dealer If above corrective actions do not solve your trouble, contact your dealer. -24-

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PROBLEMS
AND
CAUSES
•Before
calling
for
service,
check
the
information
below.
Problem
Cause
Corrective
action
Page
Fabric
does
not
©
The
presser
foot
pressure
is
too
Turn
the
presser
foot
pressure
ad-
12
feed.
light.
lusting
screw
clockwise
to
increase
the
presser
foot
pressure.
Needle
breakage.
C)
The
needle
is
bent
or
the
needle
point
is
blunt.
Replace
with
a
new
needle.
14
®
The
needle
has
been
improperly
attached
to
the
needle
bar.
Attach
the
needle
correctly
to
the
needle
bar.
14
®
You
have
forcibly
pulled
the
fabric.
Lightly
guide
on
the
edges
of
the
fabric
while
you
are
sewing.
Thread
breakage.
©
Threading
is
wrong.
Thread
the
machine
correctly.
6
7
©
Thread
tension
is
too
tight.
Decrease
the
thread
tension.
9-11
®
The
needle
has
been
improperly
attached
to
the
needle
bar.
Attach
the
needle
correctly
to
the
needle
bar.
14
®
Wrong
needle
is
used.
Use
correct
needle.
14
Skipping
stitches.
©
The
needle
is
bent
or
the
needle
point
is
blunt.
Replace
with
a
new
needle.
14
©
The
needle
has
been
improperly
attached
to
the
needle
bar.
Attach
the
needle
correctly
to
the
needle
bar.
14
®
The
machine
has
been
improperly
threaded.
Thread
the
machine
correctly.
6-7
®
A
wrong
needle
is
used.
Use
the
correct
needle.
14
Stitches
are
(I)
Thread
tension
is
not
correct.
Adjust
thread
tension.
9-11
irregular.
®
Cutting
space
is
too
narrow
Readjust
the
cutting
space
width
13
Fabric
is
puckering.
C)
The
needle
thread
tension
is
too
tight.
Reduce
the
needle
thread
tension.
9-11
®
The
machine
has
been
improperly
threaded
or
a
thread
has
been
caught
at
some
unnecessary
point.
Re
-thread
the
machine
correctly.
6-7
Motor
problems.
C)
Excessive
noise.
®
The
motor
will
not
run.
Consult
your
dealer
®
Sparks
are
produced.
If
above
corrective
actions
do
not
solve
your
trouble,
contact
your
dealer.
—24—