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Symptom
The upper thread
breaks.
The bobbin
thread breaks.
Stitches are
skipped.
The embroidery
pattern is
misaligned.
Probable Cause
Adhesive is attached to the
needle.
The fabric is not taut.
The thread quality is poor.
The embroidery data contains
stitches with a stitch length of
zero.
The embroidery data contains
many stitches with an extremely
small stitch length.
The thread density of the
embroidery data is too fine.
Three or more overlapping
stitches are being sewn.
The bobbin thread is not
correctly threaded.
The bobbin is scratched or does
not rotate smoothly.
The bobbin case is damaged.
The thread is tangled.
A bobbin designed specifically
for this machine is not used.
The upper thread is not
threaded correctly.
The needle is bent or blunt.
The needle is not installed
correctly.
Dust has accumulated under the
needle plate or in the hook.
The needle and the hook are not
correctly passing each other.
The thread twist is either too
tight or too loose.
The thread is tangled.
The fabric is not secured in the
embroidery frame (for example,
the fabric is not taut).
The embroidery frame is too
large for the size of the
embroidery.
Stabilizer (backing) is not used.
Remedy
Replace the needle.
Firmly set the fabric in the
embroidery frame so that it is
taut.
The thread quality is too weak
due to age of thread. Replace
thread.
Delete all stitches with a zero
stitch length.
Delete all stitches with a small
stitch length.
Using a data design system,
correct the thread density and
overstitching settings in the
embroidery data.
Correctly thread the bobbin
thread.
Replace the bobbin.
Replace the bobbin case.
Remove the thread jammed
and clean the hook.
Use the correct bobbin.
Thread the upper thread
correctly.
Replace the needle with a new
one.
Correctly install the needle.
Clean the hook and the needle
plate.
Consult your nearest Baby Lock
retailer.
Improper twisting results in
irregular loop formation. Try
using a new spool.
Use tweezers to remove any
tangled thread from the hook.
If the fabric is not taut, the
pattern may become
misaligned or the stitching may
shrink. Be sure to correctly
frame the fabric in the
embroidery frame.
Use an embroidery frame that
is close to the size of the
embroidery.
Use stabilizer (backing) when
embroidering on thin or stretch
fabrics, fabrics with a coarse
weave or fabrics that easily
allow the stitching to shrink.
<When using the optional cap
frame>
Use hard stabilizer when
embroidering on a cap made of
soft material.
Reference Page
p.88
p.49, 94
p.224
p.224
p.150
p.38
p.38
p.38
p.277
p.35
p.56
p.35, 88
p.88
p.277, 278
p.49, 94
p.90
p.93
Troubleshooting 289
7
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Table of Contents
Troubleshooting
