Janome 3160QDCT, Руководство по обслуживанию

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19
Presser
foot
symbol
Correct Condition
LCD displays “SC 05”.
Buzzer sounds when presser foot lifter is
raised or lowered.
The presser foot symbol appears when
the foot lifter is lowered.
Step and items
to check
05)
Presser foot
lifter switch
Procedure
Raise or lower the preser foot lifter.
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.
Defective Condition
Buzzer does not sound.
The presser foot symbol
does not appear when the
presser foot is lowered, or
does not disappear when
the presser foot is raised.
– REMEDY –
Replace the circuit board A.
Replace the presser foot
lifter switch.
Adjust the presser foot lifter
switch position.
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 start/stop button
to proceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
Buzzer does not sound.
Stitch width or length
symbol does not appear.
–REMEDY–
Replace the printed circuit board A.
Replace the printed circuit board P.
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.
Raise the needle bar from its lowest
position to its highest position.
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.
LCD displays “SC 06”.
Turn the handwheel.
LCD displays stitch width
symbol when the needle bar is at zigzag
phase.
LCD displays stitch length
Stitch width
symbol
Stitch length
symbol
symbol when the needle bar is at feed
phase.
LCD displays “SC 07”.
LCD displays stitch width
symbol when the needle bar is at middle
position. (Zigzag motor get default
position.)
Stitch length
symbol
Stitch width
symbol
SELF-DIAGNOSTIC TEST
Zigzag motor does not get default
position.
–REMEDY–
Replace the zigzag motor.
Replace the printed circuit board A.
Feed motor does not get default
position.
–REMEDY–
Replace the feed motor.
Replace the printed circuit board A.
LCD displays stitch length symbol when
feed motor gets default position.