JUKI HZL-600, Instruction Manual

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If sewing difficulties occur, make sure the instructions are correctly followed.
If a problem still exists, the reminders below may help solve it.
Case Cause (Reason) Solution
Refer-
ence
page
● The machine stops
sewing suddenly.
(This is in case you can
turn hand wheel by hand.)
● The machine sews at slow speed
continuously.
(The machine has a mechanism
to automatically cut off the power to
prevent the motor from overheating.)
● Turn off the power and wait for a
while (about 10 minutes). The
safety mechanism will be reset
and the machine will return to
normal.
2
● The machine will not
work even when started.
● Presser foot is in up position. ● Lower the presser foot and start
to sew.
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● The machine will not work
even when start/stop
button is pressed.
(This is in case sewing
light is still on.)
● The needle hits presser foot due to an
installation of incorrect presser foot.
● The needle fell into the hook area
and tried to start.
● Use the appropriate presser foot
to the selected stitch pattern.
● Remove the needle from the
hook area.
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● Needle breaks. ● Thick material is sewn with a thin
needle.
● The needle is not inserted fully.
● The needle setscrew is not securely
tightened.
● The wrong presser foot is used for a
certain pattern.
● Check the combination of fabric,
thread and needle.
● Check the installation of needle.
● Securely tighten the needle
setscrew.
● Check the combination of stitch
pattern and presser foot to be
used.
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● Loud noise and/or keen
noise while sewing
● Lint or dust has accumulated in the
feed dog.
● Lint or dust has accumulated in the
hook.
● Clean the feed dog area.
● Clean the hook area.
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● Machine fails to feed
fabrics.
● The stitch length is set at “0”.
● Soft fabrics such as towels are being
sewn.
● The machine is set in drop feed
condition. (the drop feed knob is on
the right side)
● When the stitch pattern is
reselected, the machine goes
back to the default setting.
● Set the stitch length to 3 – 5.
● Set the drop feed knob to left
side.
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● Needle can not be
threaded. (This is in case
needle threader will not
turn.)
● The hook of needle
threader does not go
through the needle eye.
● The needle is not in the up position.
(When needle is not in the up
position, needle threader will not turn.
This is to avoid damages to the hook.)
● The needle is not inserted fully.
● Rotate the hand wheel and lift the
needle upwards.
● Check the installation of the
needle.
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Performance check list
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