ELNA eXperience 620 Service Manual page 26

UPPER Press the "–" of stitch width
SHAFT button. "07." will be displayed
POSITION- on the LED for 1 second.
ING
SENSOR Manually turn the handwheel
toward you to move the
needle bar from its highest
position to lowest position.
VELOCITY Press the "–" of stitch width
SENSOR button. "08." will be displayed
on the LED for 1 second.
Turn the handwheel one
complete turn toward you.
SLIDE Press the "–" of stitch width
VOLUME button. "09." will be displayed
on the LED for 1 second.
Slide the speed control lever
from the left to the right, then
return it to the left.
FOOT Press the "–" of stitch width
CONTROL button. "10." will be displayed
on the LED for 1 second.
Depress the foot control down
all the way and release it.
ZIGZAG Press the "–" of stitch width
WIDTH button. "11." will be displayed
MOTOR on the LED for 1 second.
Press the "+" of stitch length
button.
FEED Turn the handwheel to lower
MOTOR the needle bar to its lowest
position. Press the "+" of stitch
length button.
SELF DIAGNOSTIC TEST
OPERATION CORRECT RESULTS
• When the needle is at the highest
position,
LED displays "HL".
• When the needle is at the lowest
position,
LED displays "LH".
• When the needle is halfway, LED
displays "LL".
LED displays "00" first
and the Indicated
value Increases as
you turn the
handwheel.
When the value
reaches 100, it will
return to "00" and
one mode LED light up.
For example, 2 mode LEDs and
"78" means "278".
The maximum value should be 370
to 390.
When the speed control lever is
at the left, LED
displays "00".
The indicated value
(Hexadecimal)
increases as you move the
speed control lever to the right, and
finally it shows "FF" when the lever
reaches the right-most position.
When the foot control is not de-
pressed, LED should
display "F0" to "FF".
(Hexagonal value).
When the foot control is fully
depressed, LED
should display "05"
to "2F".
When the control
LIs released, LED
should show "00" to "04".
LED should show "bS".
The zigzag width
motor is set to the
initial position. (Center position)
LED should show "Fs".
The feed motor is initialized.
24
MODEL: eXperience 620
DEFECTIVE RESULTS
• LED does not display
as illustrated
——————————
Replace or adjust
• Adjust upper shaft
shield plate.
• Replace upper shaft
sensor.
• Replace board "A".
• LED does not display
as illustrated.
——————————
Replace or adjust
• Replace board "A".
• Replace dc motor.
• LED does not display
as illustrated.
——————————
Replace or adjust
• Replace the slide vol-
ume.
• Replace board "A".
• LED does not display
as illustrated
——————————
Replace or adjust
• Replace the slide
volume.
• Replace board "A".
• The motor does not
function.
•LED displays
——————————
Replace or adjust
• Replace zigzag width
motor.
• Replace board "A".
• The motor does not
function.
• LED displays
——————————
Replace or adjust
• Replace feed motor.
• Replace board "A".