Brother LK3-B430E Mark II Service Manual page 86

10. ELECTRIC MECHANISM
Does the
needle slowly move stitch
by stitch?
Press the
pedal to the
first position.
Does the
feed mechanism
move quickly?
Test
Release the
foot switch.
Does
the machine operate
correctly for the set program,
and return to the sewing
start position?
Press the test
switch to turn
off its indicator.
Press the foot
switch to the
second position,
and release it.
Does not
the machine start to move,
and error code [E-20] appear
on the display
window?
Sewing
Does
operation
error code appear on the
display window after the
machine start to
move?
Does the
work clamp move so as
to form stitches?
Is the thread
trimmer activated?
79
NO
YES
NO
YES
NO
YES
Confirm that the
program is set to the
number ordinarily
used.
(Special): For machines with two pedal foot switches, press the presser foot lifting
pedal first, then the start pedal.
NO
TES
NO
YES
NO
YES
NO
YES
LK3-B430E Mark II
Turn off the
power.
Turn off the
power.
Turn off the
power.
Turn on
the power.
Turn off the
power.
Turn off the
power.
Turn off the
power.
Turn off the
power.
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