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12. 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 When tilting the sewing machine without Tilt the sewing machine after turning OFF
buzzer beeps and the sewing turning OFF the power switch, Action the power.
machine cannot be operated. given on the left side is taken for safety
sake.
Solenoids for thread trimming, When the fuse for solenoid power Check the fuse for solenoid power
reverse feed, wiper, etc. fail to work. protection has blown out. protection.
Hand lamp does not light up.
Even when depressing the pedal Neutral position of the pedal has varied. Execute the automatic neutral correction
immediately after turning ON the (Neutral position may be shifted when function of the pedal sensor.
power, the sewing machine does not changing spring pressure of the pedal
run. When depressing the pedal after or the like.)
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 When tightening the screw in the Securely tighten the screw in the
varies (irregular). handwheel is forgotten at the time of handwheel.
adjustment of needle stop position.
Presser foot does not go up even Auto-lifter function is OFF. Select “FL ON” by auto-lifter function
when auto-lifter device is attached. 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 Connect the cord properly.
connected to connector (CN37).
Touch-back switch fails to work. Presser foot is going up by auto-liter Operate the switch after the presser foot
device. lowered.
Auto-lifter device is not attached. Select “FL OFF” when auto-lifter device is
However, auto-lifter function is ON. not attached.
UP position move fails to work when The mode is in the function setting mode. Remove the front cover, and arrange the
all lamps on the panel light up. The switch on the CTL p.c.b. is pressed cords by the regular binding procedure
by the bound cords and the described in the Instruction Manual.
aforementioned mode resulted.
Sewing machine fails to run. Motor output cord (4P) is disconnected. Connect the cord properly.
Connector (CN30) of motor signal cord Connect the cord properly.
is disconnected.
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 in the control box, turn ON the
power switch.
2) LED becomes display 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 or .
(Caution) 1. When operating switch , one before
the existing error code is displayed.
2. When operating switch , one after
the existing error code is displayed.
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