JUKI LK-1900S-SS Instruction Manual page 74

Error code Indication
E908 Y origin retrieval error
Y origin sensor does not change.
Work clamp foot origin retrieval error
E910
Work clamp foot origin sensor does not
change.
E914 Feed trouble error
Timing lag between feed and main shaft
has occurred.
E915 Communication error between panel
and MAIN
Communication between the panel and
MAIN cannot be performed.
Communication error between MAIN
E916
and SDC
Communication between MAIN and SDC
cannot be performed.
E918 MAIN board overheat
Overheat of MAIN board
E943 MAIN memory write-in trouble
Memory write-in of MAIN board cannot be
performed.
E946 INT memory write-in trouble
Memory write-in of the head board cannot
be performed.
- Power supply fault, connector discon-
nection
The supply voltage specification is not cor-
rect.
The connector has dropped off.
Description of error
－ －
72
Corrective measure
Turn OFF the power switch
a n d c h e c k w h e t h e r C N43
and/or CN54 of the MAIN
board are disconnected or
loose.
Turn OFF the power switch
and check whether CN71 of
INT board or CN44 of MAIN
bo ar d is d isc on ne cted or
loose.
Turn OFF the power switch
and check whether coupling
of the main motor is loose.
Turn OFF the power switch
and check whether CN34 of
MAIN board is disconnected
or loose.
Turn OFF the power switch
and check whether CN32 of
MAIN board or CN15 of SDC
bo ar d is d isc on ne cted or
loose.
Turn OFF the power switch
and turn ON the power switch
again after some time.
Turn OFF the power switch
and check the insertion of
ROM of U022 of MAIN board.
Turn OFF the power switch
and check whether CN30 of
MAIN board is disconnected or
loose.
Turn OFF the power switch.
Check the supply voltage,
and check the CN3 of the
FLT board and CN13 of the
SDC board is disconnected
or loose.
Remarks