ENGLISH
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6. Automatic compensation of neutral point of the pedal sensor
Whenever the pedal sensor, spring, etc. are replaced, be sure to perform following operation :
1) Pressing switch
2
, turn ON the power switch.
2)
Indication on the screen will be as illustrated
in
6
. At this time, the value indicated in the 7
segments of four gures is the compensation
value.
(Caution) At this time, the pedal sensor does
not work properly if the pedal is
depressed. Do not place the foot or
any object on the pedal. Warning
sound “peeps” and the compensation
value is not displayed.
3)
Turn OFF the power switch, and turn ON the
power switch again to return to the normal mode.
(Caution)
1. To perform re-turning ON of the power, be sure to perform after the time of one second
or more has passed.
(If ON / OFF operation of the power is performed quickly, setting may be not changed
over well.)
2. Auto-lifter is not actuated unless this function is properly selected.
3. When “FL ON” is selected without installing the auto-lifter device, starting is momen-
tarily delayed at the start of sewing. In addition, be sure to select “FL OFF” when the
auto-lifter is not installed since the touch-back switch may not work.
4. For the details, refer to the Engineer's Manual.
7. Setting of the auto lifter function
When the auto-lifter device (AK) is attached, this
function makes the function of auto-lifter work.
1) Turn ON the power switch while pressing switch
3
inside the control box.
2) LED display is turned to
5
,
6
(FL ON) with
“beep”, and the function of auto-lifter becomes
effective.
3) Turn OFF the power switch, and turn ON the
power switch again to return to the normal mode.
4) Repeat the operation 1) to 3), and LED display
is turned to (FL OFF). Then, the function of auto-
lifter does not work.
FL
ON : Auto-lifter device becomes effective.
Selection of the auto-lifter device of
solenoid drive (+33V) or of air drive (+24V)
can be performed with switch
7
.
However, when the version is old, this
operation becomes ineffective..
(Changeover is performed to drive power
+33V or +24V of CN37.)
FL
OFF : Auto-lifter function does not work.
(Similarly, the presser foot is not
automatically lifted when programmed
stitching is completed.)
Solenoid drive display (+33V)
Air drive display (+24V)
WARNING :
When the solenoid is used with the air drive setting, the solenoid may be burned out. So, do not
mistake the setting. For the initial display of ON setting, the default setting of the machine head is
displayed.
6
2
5 6
7
3
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