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SEWING MACHINE DIV. 20 MODEL 385.19001890
ELECTRONICQUICK CHECK
CHECK OPERATION
*THIS QUICK CHECK MUST BE PERFORMED IN THESEQUENCE SHOWN.FOLLOW EACH STEP
CAREFULL,DO NOT SKIPANY PROCEDURE.
*ON THE FOLLOWING STEPS
.PRESS UP/DOWN NEEDLE BuYroN IF CORRECT CONDITION FOR NEXTSTEP.
.PRESS AUTO-LOCK BUTTON IF DEFECT CONDITION.
STEP
01) BUZZER
02) UP/DOWN
NEEDLE
BuYroN,
AUTO-LOCK
BUTTON,
REVERSE
BuYroN, AND
START/STOP
BUI_ON TEST
03) LCD UNIT
04) BUBBIN
WINDER
SWITCH TEST
05) SPEEDSET-
TiNG SLIDE
LEVERTEST
06) FOOT
CONTROLLEi_
TEST
TEST
TURN ON THE
POWER SWITCH
WHILE PRESSING
REVERSEBU_ON
CORRECTCONDITION
•BUZZERSOUNDS
(LCD SHOWS
PRESSFOLLOWING
KEYSSEQUENTIALLY
•START/STOP
BuYroN
•REVERSEBUYTON
•AUTO-LOCK
BUTTON
•UP/DOWN BUT-
TON
•PRESS"PRESSTHIS
KEY"ON LEFTSIDE
PRESSAPPOINTEDKEY
PRESS
THISKEY_'_
• PRESS*PRESSTHIS
KEY"ON RIGHT
SIDE
•SHIFTTHE BOBBIN
WINDER SPINDLE
TO THERIGHT
THEN THE LEFT
*SHIFT SPEED
SETTINGSLIDE
LEVERTO RIGHT,
THEN TURN BACK
TO LEFT
• DEPRESSTHE
FOOT CONTROL-
LERFULLYAND
RELEASEtT
"BUZZER")
(LCD SHOWS "S/S,
REV, AL, U/D KEY")
• BUZZERSOUNDS
FOR NEXTSTEP
• BUZZERSOUN DS
AND INDICATES
"PRESSTHISKEY"AT
RIGHT HAND SIDE
ON LCD
• BUZZERSOUNDS
FOR NEXT STEP
(LCD SHOWS
"SPOOL')
*BUZZER SOUNDS
EVERYTIME WHEN
BOBBIN WINDER
SPINDLE ISSHIFTED
(LCD SHOWS
"SLIDING VOLUME")
*BUZZER SOUNDS
AT LEFT& RIGHT
POSITION
(LCD SHOWS
"CONTROLLER")
•BUZZERSOUNDS
WHEN FOOT
CONTROLLER IS
DEPRESSEDFULLY
AND RELEASED
DEFECT CONDITION & CORRECTION
• NO BUZZER
SOUNDS AND
COULD NOT
ENTERTEST
MODE
oLCD MODULE
PROGRAM
VERSION. ALSO,
PROGRAM WILL
BELOCKED
• NO BUZZER
SOUNDS AND
PROGRAM WILL
BELOCKED
•NO BUZZER
SOUNDS AND
PROGRAM WILL
BELOCKED
• NO BUZZER
SOUNDS
• NO BUZZER
SOUNDS
• NO BUZZER
SOUNDS
• REPLACE A-
BOARD (SEEP.53)
• FIRST,CHECK THE
F-BOARD (SEE
P.66) IFF-BOARD
ISOK, THEN
REPLACE THE A-
BOARD (SEEP.53)
• FIRST,REPLACE A-
BOARD (SEEP.53)
IF NO SOUND
OCCURS AFTER
REPLACING A-
BOARD, REPLACE
THE LCD UNIT (SEE
P.54)
•REPLACE A-
BOARD (SEEP.53)
• FIRST,CHECK
SLIDING VOLUME
(SEEP.56). IF
SLIDING VOLUME IS
OK, REPLACE A-
BOARD (SEEP.53)
• FIRST,CHECK
FOOT CONTROL
(SEE P.66). IF FOOT
CONTROL IS OK,
REPLACE A-
BOARD (SEE P.53)
12
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