JUKI LK-1900S Series Instruction Manual page 72

Error code Indication
Prohibition of deletion of direct pat-
E405
terns
The direct pattern is set in the cycle sew-
ing data.
E408 Password reset error
Wrong password has been entered.
E430 Counter set-value is reached
The set value of the counter is reached.
* For the type of counter and the counter
E730 Encoder trouble A
Encoder A or B phase cannot be detected.
Encoder trouble B
E731
Encoder U, V or W phase cannot be de-
tected.
E733 Reverse rotation of motor
The motor is reversing.
E811 Overvoltage error
Power source voltage is beyond the speci-
fied value.
E813 Low voltage error
Power source voltage is short.
E901 Motor driver trouble
Error from the motor driver is detected.
E903 Stepping motor power supply trouble
Power source of the stepping motor is not
output.
E904 Solenoid power supply trouble
Power source of the solenoid is not out-
put.
E905 SDC board overheat
Overheat of SDC board
E907 X origin retrieval error
X origin sensor does not change.
Description of error
value displayed depends on the prede-
termined counter.
Corrective measure
Re-operation is enabled after
resetting.
Re-operation is enabled after
resetting.
Re-operation is enabled after
resetting.
Turn OFF the power switch.
Check whether the pin CN15
has come off or has loos-
ened.
Turn OFF the power switch.
Check whether the pin CN15
has come off or has loos-
ened.
Turn OFF the power switch
and check whether coupling
of the main motor is loose.
Check the power supply volt-
age.
Check the power supply volt-
age.
Turn OFF the power switch
and turn ON the power switch
again after some time.
Turn OFF the power switch
and check F1 fuse of SDC
board.
Turn OFF the power switch
and check F2 fuse of SDC
board.
Turn OFF the power switch
and turn ON the power switch
again after some time.
Turn OFF the power switch
and check whether CN42
and/or CN53 of the MAIN
board are disconnected or
loose.
－ －
70
Remarks