ELNA eXperience 520 Service Manual page 25

STEP
06) Press #01 button, led displays
Buttonhole "06" for one second.
sensor
1. Lower the buttonhole lever.
2. Move the buttonhole lever back
and forth.
07) Press the #01 button,
Upper shaft led displays "07" for one second.
sensor
* Turn the handwheel toward you
to
raise and lower the needle to its
highest and lowest position.
08) * Press the #01 button.
Sewing Led displays "08" for one
speed second.
sensor
* Turn the handwheel clockwise
by hand and check the counter
value displayed
by the leds.
OPERATION
* When the buttonhole lever
* When the buttonhole lever
* When the buttonhole
* When the needle is
* When the needle is
* When the needle is
* Led displays "00" first and the
CORRECT CONDITION
is pulled, led displays "H".
is free (positioned in the
center), led displays "L".
lever is pushed, led
displays "H".
at the highest position,
led displays "LH".
at the lowest position,
led displays "LH".
halfway, led
displays "LL".
indicates value increases as you
turn the handwheel.
(When the value
reaches 100, it will
return to "00" and one
mode led lights up.
For example, 2 mode
leds and "78" means
"278".)
The maximum value
should be 370 to 390.
23
MODEL 520
DEFECTIVE CONDITION
Led display is different from
that shown to the left.
1. Adjust the buttonhole
sensor position.
2. Replace buttonhole
sensor.
3. Replace board "A".
* Led display is different from
that shown to the left.
1. Adjust upper shaft shield
plate.
2. Replace upper shaft sensor.
3. Replace board "A".
* Led displays different from
that shown to the left.
1. Replace motor.
2. Replace board "A".