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ENGLISH
3. Error codes
In case of the following, check again before you judge the case as trouble.
Phenomenon Cause Corrective measure
When tilting the sewing machine, the
buzzer beeps and the sewing ma-
chine cannot be operated.
Solenoids for thread trimming
When tilting the sewing machine with-
out turning OFF the power switch, Ac-
tion given on the left side is taken for
safety sake.
Tilt the sewing machine after turning
OFF the power.
Solenoids for thread trimming, re-
verse feed, wiper, etc. fail to work.
Hand lamp does not light up.
When the fuse for solenoid power
protection has blown out
Check the fuse for solenoid power pro-
tection.
Even when depressing the pedal im-
mediately after turning ON the power,
the sewing machine does not run.
When depressing the pedal after de-
pressing the back part of pedal once,
the sewing machine runs.
Neutral position of the pedal has var-
ied.
(Neutral position may be shifted when
changing spring pressure of the pedal
or the like.)
Execute the automatic neutral correc-
tion function of the pedal sensor.
The sewing machine does not stop
even when the pedal is returned to
its neutral position.
Stop position of the sewing machine
varies (irregular).
When tightening the screw in the
handwheel is forgotten at the time of
adjustment of needle stop position.
Securely tighten the screw in the
handwheel.
Presser foot does not go up even
when auto-lifter device is attached.
Auto-lifter function is OFF. Select “FL ON” by auto-lifter function
selection.
Pedal system is set to KFL system
.
Change the jumper to PFL setting to
lift the presser foot by depressing the
back part of the pedal.
Cord of auto-lifter device is not con-
nected to connector (CN37).
Connect the cord properly.
Touch-back switch fails to work. Presser foot is going up by auto-liter
device.
Operate the switch after the presser
foot lowered.
Auto-lifter device is not attached. How-
ever, auto-lifter function is ON.
Select “FL OFF” when auto-lifter de-
vice is not attached.
UP position move fails to work when
all lamps on the panel light up.
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.
Remove the under cover. Bundle the
cables by routing them according to
the normal routing method as de-
scribed in the Instruction Manual.
Sewing machine fails to run. Motor output cord (4P) is disconnected. Connect the cord properly.
Connector (CN30) of motor signal cord
is disconnected.
Connect the cord properly.
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