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[Correct condition]
1) Buzzer sounds
2) LCD and LED blink at 1
second interval.
3) Sewing light turns on.
Press the “Clear” button to
proceed to the next step.
[Correct condition]
Press all of the buttons on the
front cover. (Press the button “C”
at last.)
Each time a button Is pressed,
the name of the button appears
on the LCD.
Press “Clear” button to proceed
to the next step.
[Correct condition]
1) Bobbin winding switch (SP)
Bobbin winder knob at left:
ON
Bobbin winder knob at right:
OFF
2) Presser bar lifter switch (FL)
Presser foot is up position:
UP
Presser foot is down position:
DOWN
3) Auto thread cutter switch (CL)
Driving arm at up position:
OFF
Driving arm at down position:
ON
4) Drop feed switch (DD)
Lever at the left: UP
Lever at the right: DOWN
Press the “Clear” button to
proceed to the next step.
[Faulty condition and remedy]
Buzzer does not sound.
The Step 1 screen does not
appear.
LCD and LED do not blink
- Remedy-
a)Turn the LCD brightness
adjusting dial clockwise or
counter clockwise.
b)Replace circuit boards F, K or
A.
[Faulty condition and remedy]
The name of the button does
not appear and LCD continues
to indicate .
- Remedy-
Replace circuit boards F, K or A.
[Faulty condition and remedy]
The display does not change or
is reversed.
Adjust the position of the
switches, or replace a switch or
circuit board A.
Step1
LCD&LED
Next :
C
Step2
Key
Next :
C
Step3 Switch
SP FL CL DD
UP
OFF
UP
OFF
(1)
(2)
(3)
(4)
Auto thread cutter switch
Bobbin winder
switch
Presser bar
lifter switch
Auto thread
cutter switch
Drop feed
switch
1. Step 1 (function of buzzer, LCD and LED)
2. Step 2 (Function of Buttons)
3. Step 3 (Detecting Switch)
Driving arm
