Phase Of Feed Pulse Motor; Phase Of Zigzag Pulse Motor; Condition Of Foot Controller And Speed Control Lever; Warning Messages On Lcd - Baby Lock PRO BL8800 Service Manual

c. Phase of feed pulse motor
When you have selected this mode, feed pulse motor will
move slightly and stop at the position which the lever of
gear intercept the feed sensor.
Normally, the number 2 or 4 or 6 will appear on the LCD.
If it was not so, loosen the screw of gear and rotate it
slightly. Re-tighten the screw and check the phase again.
d. Phase of zigzag pulse motor
When you have selected this mode, zigzag pulse motor
will move slightly and stop at the position which the lever
of gear intercept the needle bar sensor.
Normally, the number 2 or 4 or 6 will appear on the LCD.
If it is not so, loosen the screw of pulley and rotate it
slightly. Re-tighten the screw and check the phase again.
e. Condition of foot controller and
speed control lever
The condition of foot controller is indicated on the first line
of LCD.
Foot controller is not connected : the number 255 will
appear.
Connect the foot controller: the number will change to 74.
Press the pedal of controller: the number will decrease
according to the pressure on the pedal. When pressed
maximam, the number 0 will be indicated.
The condition of speed cotrol lever is indicated on the
lower line of LCD.
The number will change from 0 to 255 by sliding the lever
to the right.

WARNING MESSAGES ON LCD

When you turn on the power, if control buttons are not
released original position, machine will indicate the
warning message on the LCD.
a. Start/stop button is not released.
b. Reverse button is not released.
c. Needle up/down button is not released.
Check each button and switch which is located inside of
each button.
c
d
Condition of foot controller
e
Condition of speed contol lever
a
b
c
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