JUKI LK-1900B series - Page 68

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Error code Indication Description of error Corrective measure Remarks
E901
Motor driver trouble
Error from the motor driver is detected.
Turn OFF the power switch
and turn ON the power switch
again after some time.
E903
Stepping motor power supply trouble
Power source of the stepping motor is not
output.
Turn OFF the power switch
and check F1 fuse of SDC
board.
E904
Solenoid power supply trouble
Power source of the solenoid is not out-
put.
Turn OFF the power switch
and check F2 fuse of SDC
board.
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.
E913
Needle thread clamp origin retrieval er-
ror
Needle thread clamp origin sensor does not
change.
Turn OFF the power switch
and check whether CN77 of
INT board or CN45 of MAIN
board is disconnected or
loose.
E914
Feed trouble error
Timing lag between feed and main shaft
has occurred.
Turn OFF the power switch
and check whether coupling
of the main motor is loose.
E915
Communication error between panel
and MAIN
Communication between the panel and
MAIN cannot be performed.
Turn OFF the power switch
and check whether CN34 of
MAIN board is disconnected
or loose.
E916
Communication error between MAIN
and SDC
Communication between MAIN and SDC
cannot be performed.
Turn OFF the power switch
and check whether CN32 of
MAIN board or CN15 of SDC
board is disconnected or
loose.
E918
MAIN board overheat
Overheat of MAIN board
Turn OFF the power switch
and turn ON the power switch
again after some time.
E926
X motor displacement error
X feed motor is out of position.
Turn OFF the power.