JUKI DX-2000QVP Instruction Manual page 117

Case
● The needle threading
lever will not return to
the original position and
the machine can not turn
properly.
(This is in case the hook
of needle threader re-
mains in the needles eye.)
● The machine will not start
even when start/stop but-
ton is pressed.
● Thread breaks.
● Stitch is skipped.
● Thread tension is not
good.
● Puckering occurs.
● sign is shown on the
LCD display.
Cause (Reason)
● Hand wheel is turned by mistake
while the needle threading lever is
in down position. (in the process of
threading to the needle.)
● The foot controller is plugged in.
● The machine is incorrectly threaded.
● There is knot or knurl on the thread.
● The setting of manual thread tension
is incorrect.
● The needle is bent or the tip of nee-
dle is broken.
● The needle is installed incorrectly.
● Threading of bobbin thread is not
correct.
● The bobbin can not turn smoothly
inside the hook holder.
● The needle size does not match the
thread.
● Thread take-up is not threaded.
● The needle thread is threaded in
correctly.
● The bobbin thread is threaded incor-
rectly.
● The direction of spool cap doesn't
match the spool.
● The stitch length is too large on light-
weight fabrics.
● The needle tip is broken.
● Safety mechanism works when ma-
chine stops due to motor lock.
Or, when the voltage fault has oc-
curred.
Solution
● Turn hand wheel slightly away
from you. (to the opposite side
when sewing).
● Start/stop button can function
when foot controller is removed.
● Rethread the machine correctly.
● Remove knot or knurl from thread.
● Adjust thread tension manually
according to fabrics and thread to
be used.
● Change needle.
● Install needle correctly.
● Check the correct way of setting
bobbin thread.
● Check the correct way of winding
bobbin thread.
● Check the combination of thread
and needle.
● Rethread the machine correctly.
● Rethread the machine correctly.
● Check the correct way of setting
bobbin thread.
● Attach the spool cap in a correct
direction.
● Make the stitch length smaller
(shorter).
● Change needle.
● The safety mechanism will be
reset in a short while and the ma-
chine will return to normal. (At this
time, the start/stop button will not
light up.)
Refer-
ence
page
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8
23
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29
27
27
21
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28
23
23
21
23
41
27
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115