JUKI LK-1900B series - Page 69


66

Error code Indication Description of error Corrective measure Remarks
E927
Y motor displacement error
Y feed motor is out of position.
Turn OFF the power.
E929
Needle thread clamp motor displace-
ment error
Needle thread clamp motor is out of posi-
tion.
Turn OFF the power switch
and check whether CN45 of
MAIN board is disconnected
or loose.
E931
X motor overload error
The load applied to the X feed motor is
excessive.
Turn OFF the power.
E932
Y motor overload error
The load applied to the Y feed motor is
excessive.
Turn OFF the power.
E934
Thread clamp motor overload error
The load applied to the thread clamp mo-
tor is excessive.
Turn OFF the power.
E943
MAIN memory write-in trouble
Memory write-in of MAIN board cannot be
performed.
Turn OFF the power switch
and check the insertion of
ROM of U022 of MAIN board.
E946
INT memory write-in trouble
Memory write-in of the head board cannot
be performed.
Turn OFF the power switch
and check whether CN30 of
MAIN board is disconnected or
loose.
-
Power supply fault, connector discon-
nection
The supply voltage specication is not cor-
rect.
The connector has dropped off.
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.