JUKI SC-500 User Manual

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(1) Error code list
No.
E000
E003
E004
E005
E007
E008
E343
E730
E731
E811
E813
E906
E924
Description of error detected
Execution of data initialization
(This is not the error.)
Disconnection of synchronizer
connector
Synchronizer lower position
sensor failure
Synchronizer upper position
sensor failure
Overload of motor
Machine head connector
failure(Resistance pack)
Bobbin thread remaining
amount sensor unit failure
Encoder failure
Motor hole sensor failure
Overvoltage
Low voltage
Operation panel transmission
failure
Motor driver failure
Cause of occurrence expected
• When the machine head is changed.
• When the initialization operation is executed
• When position detection signal is not input
from the sewing machine head synchronizer.
• When the synchronizer has broken.
• When the machine head is locked.
• When sewing extra-heavy material beyond
the guarantee of the machine head.
• When the motor does not run.
• Motor or driver is broken.
• When the machine head connector is not
properly read.
• When the position of the detection bar of
the AE device is shifted from the home
position.
• When the motor signal is not properly
inputted.
• When voltage higher than guaranteed one
is inputted.
• 220V has been inputted to SC-500 of 110V
specifications.
• 400V is applied to the box of 220V (230V).
• When voltage lower than guaranteed one
is inputted.
• 110V has been inputted to SC-500 of 220V
specifications.
• 110V is applied to the box of 220V.
• Inner circuit is broken by the applied
overvoltage
• Disconnection of operation panel cord
• Operation panel has broken.
• Motor driver has broken.
Items to be checked
• Check the synchronizer connector (CN33) for
loose connection and disconnection.
• Check whether the synchronizer cord has broken
since the cord is caught in the machine head.
• Check whether the thread has been entangled in
the motor pulley.
• Check the motor output connector (4P) for loose
connection and disconnection.
• Check whether there is any holdup when turning
the motor by hand.
• Check the machine head connector (CN32) for
loose connection and disconnection.
• Check whether the detection bar of the AE device
has returned to the correct position.
• Check whether the function setting No. 57 has
been mistakenly set.
• Check the AE device connectors (CN121, CN123)
for loose connection and disconnection.
• Check whether the AE device cord has broken
since the cord is caught in the machine head.
• Check the motor signal connector (CN30) for loose
connection and disconnection.
• Check whether the motor signal cord has broken
since the cord is caught in the machine head.
• Check whether the applied power voltage is higher
than the rated voltage + (plus) 10% or more.
• Check whether 110V/220V changeover switch is
improperly set.
• In the aforementioned cases, POWER p.c.b is
broken.
• Check whether the voltage is lower than the rated
voltage – (minus) 10% or less.
• Check whether 110V/220V changeover switch is
improperly set.
• Check whether fuse or regenerative resistance is
broken.
• Check the operation panel connector (CN38) for
loose connection and disconnection.
• Check whether the operation panel cord has
broken since the cord is caught in the machine head.

JUKI SC-500 Specifications

General

Brand	JUKI
Model	SC-500
Category	Sewing Machine
Language	English