JUKI LK-1900B series Engineer's Manual

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Error
code
Indica-
tion
Description of error Corrective measure Remarks
E405
Prohibition of deletion of direct
patterns
The direct pattern is set in the cycle
sewing data.
Re-operation is enabled
after resetting.
E730
Encoder trouble A
Encoder A or B phase cannot be
detected.
Turn OFF the power switch.
Check whether the pin
CN15 of SDC board is dis-
connected or loose.
E731
Encoder trouble B
Encoder U, V or W phase cannot be
detected.
Turn OFF the power switch.
Check whether the pin
CN15 of SDC board is dis-
connected or loose.
E733
Reverse rotation of motor
The motor is reversing.
Turn OFF the power switch
and check whether coupling
of the main motor is loose.
E811
Overvoltage error
Power supply voltage is beyond the
specied value.
Check the power supply
voltage.
E813
Low voltage error
Power supply voltage is short.
Check the power supply
voltage.
E901
Motor driver trouble
Error from the motor driver is detect-
ed.
Turn OFF the power switch
and turn ON the power
switch again after some
time.
E903
Stepping motor power supply
trouble
Power supply of the stepping motor
is not output.
Turn OFF the power switch
and check F1 fuse of SDC
board.
Check the cause
of blown out of the
fuse.
E904
Solenoid power supply trouble
Power supply of the solenoid is not
output.
Turn OFF the power switch
and check F2 fuse of SDC
board.
Check the cause
of blown out of the
fuse.
E905
SDC board overheat
Overheat of SDC board
Turn OFF the power switch
and turn ON the power
switch again after some
time.
E907
X-origin retrieval error
X-origin sensor does not change.
Turn OFF the power switch
and check whether CN62 of
INT board or CN42 of MAIN
board is disconnected or
loose.
E908
Y-origin retrieval error
Y-origin sensor does not change.
Turn OFF the power switch
and check whether CN63 of
INT board or CN43 of MAIN
board is disconnected or
loose.
E910
Work clamp foot origin retrieval
error
Work clamp foot origin sensor does
not change.
Turn OFF the power switch
and check whether CN71 of
INT board or CN44 of MAIN
board is disconnected or
loose.

JUKI LK-1900B series Specifications

General

Brand	JUKI
Model	LK-1900B series
Category	Sewing Machine
Language	English