White W3300 - Troubleshooting; Lower Thread Visible on Fabric; Upper Thread is Loose; Embroidered Pattern is Out of Shape

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Symptom
rbable
cause
Remedy
5.
Lower thread
is
visible on the
top
1 The upper
thread tenwon is
too
strong. 1. Decrease the upper thread
tenwon
surface
of the
fabric
using the upper thread
tension dial
2. The upper or
lower
thread is not 2.
Thread the upper and lower threads
threaded correctly. correctly.
3.
The thread has been threaded 3. Remove the bobbin, reset
the bobbin
incorrectly through the inner rotary
properly
and pull the
bobbin thread
hook,
through
the
channel
4.
A thread other than the
designated 4 Replace with the designated lower
lower
embroidery thread is being
used
embroidery thread.
6. Upper
thread is
loose
1 The upper thread tension is
too
weak 1 Increase the upper thread tension
u.sng the upper thread tension dial.
2. The upper or lower
thread
is not 2. Thread the upper and lower threaos
threaded correctly. correctly
3.
Threads other than the designated
3.
Replace with the designated upper
and
upper
and
lower embroidery
thread
are
lower embroidery threads,
being
used.
7. Embroidered pattern is
out of
shape 1. The fabric has been placed in the 1 Place the fabric in the embroidery
embroidery frame incorrectly frame correctly.
2. The embroidery frame has been 2 Attach the embroidery frame
to the
attached to the machine incorrectly, machine correctly.
3.
Thin
or stretch fabric is being used
with
3. Attach stabilizer fabric.
no stabilizer fabric attached,
4 Threads other than the designated 4. Replace with
the
designated upper and
upper and
lower
embroidery
thread are
lower
embroidery threads,
being used,
5
The
thread
is tangled.
5 Cut
and remove
the tangled
threads
inside the rotary hook using scissors,
Clean the race or
inner
rotary hook
8.
Threading
is not possthte
1 The needle is instaBed incorrectly. t. Install
the
needle correctly.
2
The needle threader lever will not turn.
2.
Turn
the
hand wheel
to
rsse the needle 1
to
its
highest position
i.