−63 −
Phenomenon
When tilting the sewing machine, the
buzzer beeps and the sewing
machine cannot be operated.
Solenoids for thread trimming,
reverse feed, wiper, etc. fail to work.
Hand lamp does not light up.
Even when depressing the pedal
immediately after turning ON the
power, the sewing machine does not
run. When depressing the pedal after
depressing the back part of pedal
once, the sewing machine runs.
The sewing machine does not stop
even when the pedal is returned to
its neutral position.
Stop position of the sewing machine
varies (irregular).
Presser foot does not go up even
when auto-lifter device is attached.
Touch-back switch fails to work.
UP position move fails to work when
all lamps on the panel light up.
Sewing machine fails to run.
Cause
When tilting the sewing machine without
turning OFF the power switch, Action
given on the left side is taken for safety
sake.
When the fuse for solenoid power
protection has blown out.
Neutral position of the pedal has varied.
(Neutral position may be shifted when
changing spring pressure of the pedal
or the like.)
When tightening the screw in the
handwheel is forgotten at the time of
adjustment of needle stop position.
Auto-lifter function is OFF.
Pedal system is set to KFL system.
Cord of auto-lifter device is not
connected to connector (CN37).
Presser foot is going up by auto-liter
device.
Auto-lifter device is not attached.
However, auto-lifter function is ON.
The mode is in the function setting mode.
The switch on the CTL p.c.b. is pressed
by the bound cords and the
aforementioned mode resulted.
Motor output cord (4P) is disconnected.
Connector (CN30) of motor signal cord
is disconnected.
Corrective measure
Tilt the sewing machine after turning OFF
the power.
Check the fuse for solenoid power
protection.
Execute the automatic neutral correction
function of the pedal sensor.
Securely tighten the screw in the
handwheel.
Select “FL ON” by auto-lifter function
selection.
Change the jumper to PFL setting to lift
the presser foot by depressing the back
part of the pedal.
Connect the cord properly.
Operate the switch after the presser foot
lowered.
Select “FL OFF” when auto-lifter device is
not attached.
Remove the front cover, and arrange the
cords by the regular binding procedure
described in the Instruction Manual.
Connect the cord properly.
Connect the cord properly.
In case of the following, check again before you judge the case as trouble.
12. ERROR CODES
In addition, there are the following error codes in this device. These error codes interlock (or limit function) and inform the problem so
that the problem is not enlarged when any problem is discovered. When you request our service, please confirm the error codes.
Checking procedure of the error code
1) Pressing switch 1 in the control box, turn ON the power
switch.
2) LED becomes display 5 with the sound of “peep”
and the latest error code is displayed.
3) Confirmation of the contents of previous error can
be performed by operating switches 1 or 2.
(Caution) 1. When operating switch 1, one before the
existing error code is displayed.
2.When operating switch 2, one after the
existing error code is displayed.
5
1
2
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