Janome DC6030 Service Manual page 23

Step and
items to check
10) Press the needle up/down button.
DC motor
If the result is correct condition,
press the start/stop button to
proceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
11) Lower the presser foot.
Solenoid Press the needle up/down button.
If the result is correct condition,
press the start/stop button to
proceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
12) Turn the handwheel toward you to
Thread cutter raise the needle bar at its highest
motor, position.
Thread cutter Press the needle up/down button.
button
If the result is correct condition,
press the start/stop button to
proceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
Self-diagnostic Test
Procedure
LCD displays "10".
Machine runs slow, then fast, and the
needle bar stops at its highest position.
LCD displays "11".
Press the needle up/down position
button to display "on" or "off".
Thread tension disc opens while the
LCD displays "on".
LCD displays "12".
Thread cutter motor wii be initialized.
Press the thread cutter button.
The thread cutter icon will appear and
blink as long as the thread cutter button
is pressed.
Correct Condition
21
Defective Condition
The machine motor does not
start.
The motor stops immediately.
The motor runs unstable.
q Replace the DC motor.
w Replace the circuit board A.
The thread tension disc does
not open.
q Replace the solenoid
w Replace the circuit board A.
The thread cutter motor does
not work.
Thread cutter symbol does not
appear when the thread cutter
button is pressed.
Thread cutter symbol appears
when the thread cutter button is
not pressed.
q Replace the thread cutter
motor.
w Replace the thread cutter
switch.
e Replace the circuit board A.