Janome Memory Craft 9000 Service Manual page 31

CHECK OPERATION
If nothing happens when you turn on The power
switch, turn off The power and wait 4-5 minute.
Then turn on switch.
STEPS TESTING OPERATION
Turn on the power switch
01) BUZZER, LED
while pressing
TEST
"REVERSE" key
Push START/STOP key
02) KEY TEST
• "REVERSE" key
• "AUTO-LOCK" key
• NEEDLE "UP/DOWN" key
• Press
03) TOUCH PANEL
"PRESS
TEST
THIS KEY"
on left side
Press
"PRESS
THIS KEY"
on right side
• Shift the bobbin winder
04) BOBBIN
spindle to LEFT & RIGHT
WINDER
position
SWITCH TEST
• Shift the drop lever to LEFT
05) FEED DOG UP/
RIGHT position
DOWN SWITCH
KEY TEST
• Move the slide switch from
06) SPEED
left to right
SETTING SLIDE
• Move the slide switch from
SWITCH TEST
right to left.
• Press the foot controller
07) FOOT
fully and release it
CONTROLLER
TEST
• Lower the presser bar lifter
08) PRESSER
• Raise the presser bar lifter
FOOT SENSOR
TEST
• Shift the BH lever back &
09) BUTTONHOLE
forth gently
SENSOR TEST
• Press "START/STOP" key
10) THE AMOUNT
OF BOBBIN
THREAD
ENSOR TEST
• Turn the hand wheel toward
11) UPPER SHAFT
you to move the
POSITIONING
needle bar to highest position
SENSOR TEST
and lowest position
• Raise the needle bar to
12) STEPPING
highest position and push
MOTORTEST
"START/STOP" key
• Lower the needle bar to
lowest position and push
"START/STOP" key
• Turn the hand wheel and
check the feed dog position
• Press START/STOP key
13) MACHINE
MOTOR TEST
DIAGNOSIS CHART
CORRECT CONDITION
• Buzzer sounds (LCD shows buzzer &
LED)
• Red & green lights flash alternately
on START/STOP key
LCD shows "PRESS S/S, REV, AL, U/D"
• Buzzer sounds for next step.
• Buzzer sounds and indicates
Press
appointed
"PRESS THIS KEY" at right hand
key
side on LCD board
• Buzzer sounds for next step
This
key
LCD shows "SPOOL"
• Buzzer sounds every time when
bobbin winder spindle is shifted
LCD shows "FEED DOG"
• Buzzer sounds when drop lever
position is changed
LCD shows "SLIDE SWITCH"
• Buzzer sounds at left & right
positions.
LCD shows "CONTROLLER"
• Buzzer sounds when foot controller is
pressed fully and released
LCD shows "FOOT LEVER"
• Buzzer sounds when foot controller is
depressed and released
LCD shows "BH SENSOR STATE"
• When lever is pulled toward you
buzzer sounds & indicates "CLOSED"
on LCD board
• When lever is released buzzer
sounds & indicates "OPEN" on LCD
board
LCD shows "SENSOR & SOLENOID"
• Buzzer sounds and LCD shows "14"
without bobbin
LCD shows "PH SENSOR"
• LCD shows "BIGHP when needle is
at highest position
• LCD shows "FEED" when needle is at
lowest position
LCD shows "STEPPING MOTOR"
• Stepping motor (zigzag) get default
position
• Feeding, tension motors get default
position
• Feed dog goes to home position
LCD shows "DC MOTOR"
• Machine runs slow, and fast, then
needle bar stops at the highest
position
DEFECTIVE CONDITION & CORRECTION
• No buzzer sounds and could not
enter test mode
• LED module shows program
version. Also, program will be
locked
• LED lights or no lights on board
• No buzzer sounds and program
will be locked
• No buzzer sounds and program
will be locked
• No buzzer sound
• No buzzer sound
• No buzzer sound
• No buzzer sound
• No buzzer sound
• No buzzer sound
• LCD shows "0"
If LCD shows No.1 - 13, adjust The
machine
• LCD does not show "BIGHT" or
"FEED" Also LCD does not
change indication vC'hile turning
hand wheel
• Not working correctly
• Not stopping at the highest
position or running at uneven
speed
31
• Replace board F
• Replace board A
• Replace board F
• Replace board A
• Replace touch
panel
• Replace board A
• Replace board A
• Replace feed dog
switch
• Replace board A
• Replace slide
switch
• Replace board A
• Replace foot
controller
• Replace board A
• Replace presser
foot sensor
• Replace board F
• Replace board A
• Replace BH
sensor
• Replace board F
• Replace board A
• Adjust bobbin
thread sensor unit
• Replace bobbin
Thread sensor
• Replace solenoid
• Replace "A"
board
* Replace upper
shaft positioning
sensor
• Replace "A"
board
• Replace stepping
motor
• Replace tension
sensor
• Replace "A"
board
• Replace DC
motor
• Replace "A"
board