Janome SKYLINE S6 Service Manual page 38

STEP AND
PROCEDURE
ITEMS TO
CHECK
Move the presser foot lifter up and
05)
down.
PRESSER
FOOT
If the result is correct condition,
LIFTER
press the start/stop button to pro-
SWITCH
ceed the next step.
If the result is defective condition,
press the reverse stitch button to
proceed the next step.
Turn the handwheel toward you.
06)
UPPER SHAFT
Lower the needle bar from its
SHIELD
highest to lowest position.
POSITIONING
Raise the needle bar from
SENSOR
its lowest position to 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.
07)
Turn the handwheel toward you.
ZIGZAG MOTOR
Lower the needle bar its highest
(STEP MOTOR)
to position (zigzag phase).
AND
FEED MOTOR
Press the needle up/down button.
Raise the needle bar from its
lowest position to its highest
position (feed phase).
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.
Diagnosis test
CORRECT CONDITION
LCD displays "05" and presser foot
symbol.
When the presser foot lifter is raised,
LCD displays as Fig. 1.
Fig. 1
When the presser foot lifer is lowered,
buzzer sounds and LCD displays as
Fig. 2.
Fig. 2
LCD displays "06" and "PH".
Turn the handwheel.
LCD displays stitch width symbol
when the needle bar is at zigzag
phase.
LCD displays stitch length sym-
bol when the needle bar is at feed
phase.
LCD displays "07" and "STM".
Press the needle up/down button
when LCD displays stitch width
symbol.
The Zigzag motor will be initialized
and get its default position.
Press the needle up/down button
when LCD displays stitch length
symbol.
The feed motor will be initialized
and get its default position.
36
DEFECTIVE CONDITION
Buzzer does not sound.
Presser foot symbol does
not change.
–REMEDY–
Adjust the presser foot
Presser foot
symbol
lifter switch position.
Replace the presser foot
lifter switch.
Replace the circuit board
A.
Buzzer does not sound.
Stitch width or length
symbol does not appear.
–REMEDY–
Adjust the upper shaft
shield plate position.
Replace the sensor.
Replace the circuit board
Stitch
A.
width
symbol
Stitch
length
symbol
Zigzag motor does not get
default position.
Stitch
Buzzer does not sound.
width LCD displays "E1".
symbol
–REMEDY–
Adjust the upper shaft
shield plate position.
Replace the zigzag motor.
Replace the circuit board
A.
Feed motor does not get
Stitch
default position.
length
Buzzer does not sound.
symbol
LCD displays "E2".
–REMEDY–
Adjust the upper shaft
shield plate position.
Replace the feed motor.
Replace the circuit board
A.