Janome NH40, Руководство по обслуживанию

Страница: 25 / 33

23
Correct Condition
Step and items
to check
05)
Not applicable
for this model
Procedure Defective Condition
Turn the handwheel toward you.
Lower the needle bar from its highest
to its lowest position.
Raise the needle bar from its lowest
position to its highest position.
If the result is correct condition, press
the reverse button to proceed the next
step.
If the result is defective condition,
press the needle up/down button to
proceed the next step.
Buzzer does not sound.
Stitch width or length symbol
does not appear.
–REMEDY–
Replace the circuit board A.
Replace the circuit board P.
Zigzag motor does not get
default position.
–REMEDY–
Replace the zigzag motor.
Replace the circuit board A.
Feed motor does not get
default position.
–REMEDY–
Replace the feed motor.
Replace the circuit board A.
06)
Upper shaft
positioning
sensor
07)
Zigzag motor
(Step motor)
Feed motor
Turn the handwheel toward you.
Lower the needle bar from its highest
to its lowest position.
Press the ring button (up) mark.
Raise the needle bar from its lowest
position to its highest position.
Press the ring button (up) mark.
If the result is correct condition, press
the reverse button to proceed the next
step.
If the result is defective condition,
press the needle up/down button to
proceed the next step.
LCD displays “SC 06”.
Turn the handwheel.
LCD displays stitch width symbol when
the needle bar is at zigzag phase.
LCD displays stitch length symbol when
the needle bar is at feed phase.
Stitch width
symbol
Stitch length
symbol
LCD displays “SC 07”.
LCD displays stitch width symbol when
the needle bar is at middle position. (Zig-
zag motor get default position.)
LCD displays stitch length symbol when
feed motor gets default position.
Stitch length
symbol
Stitch width
symbol