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STEP AND
ITEMS TO
PROCEDURE
CHECK
12)
Turn the handwheel toward you to
THREAD
raise the needle bar at its highest
CUTTER
position. Press the needle up/down
MOTOR,
button.
THREAD
If the result is correct condition,
CUTTER
press the start/stop button to
SOLENOID
proceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
SELF-DIAGNOSTIC TEST
LCD displays "12".
The thread cutter symbol will blink, and
thread cutter motor will be initialized.
29
CORRECT CONDITION
Thread
cutter
symbol
DEFECTIVE CONDITION
Thread cutter motor does
not work.
The thread cutter symbol
does not appear when
thread cutter is at its
initialized position.
Thread cutter position is
not initialized and caution
Buzzer sounds.
–REMEDY–
Replace the thread cutter
motor.
Replace the thread cutter
initialize switch.
Replace the printed
circuit board A.
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