– 224 –
18.Error E813
18-1)The source voltage is 160V
1-A) There are variations or unusual
Check the AC input power line.
Low voltage error
AC or below.
drop in the AC input power line.
LED3 on SDC board: Flashing
6 times
1-B) A 100V input is entered where
Check the preset voltage for the FLT-T board.
the FLT-T board has been set
for 200V.
19.Error E901
19-1)Error output generation from
1-A) IPM control voltage drop
Replace the SDC board.
IPM Error
IPM in the SDC board
LED3 on SDC board: Flashing
1-B) IPM overcurrent is detected.
Replace the SDC board.
5 times
Replace the main shaft motor.
20.Error E903
20-1)No +48V power output of
1-A) Blown-out of the F1 fuse of
Check if there is shortcircuiting in the +48V power
Pulse motor power source error
the SDC board available
the SDC board.
system for the MAIN board.
LED3 on SDC board: Flashing
Replace the MAIN board.
11 times
1-B) Blown-out of the F4 fuse of
Replace the SDC board.
the SDC board.
21.Error E904
21-1)No +33V power output of
1-A) Blown-out of the F2 fuse of
Check if there is shortcircuiting in the +33V power
Abnormal solenoid power
the SDC board available
the SDC board.
system for the MAIN board.
LED3 on SDC board: Flashing
Replace the MAIN board.
12 times
1-B) Blown-out of the F5 fuse of
Replace the SDC board.
the SDC board.
22.Error E905
22-1)Heat sink temperature for
1-A) Cooling is not effective.
Check for any clogging at the suction port or examine
Thermal error in SDC board
power supply has exceeded
the conditions in the fan, etc.
LED3 on SDC board: Flashing
85
°
C.
13 times
22-2)Temperature of main shaft
2-A) Cooling is not effective.
Check for any clogging at the suction port or examine
IPM has exceeded 90
°
C.
the conditions in the fan, etc.
2-B) Sensor connection defective
Check CN18 of SDC board.
2-C) The main shaft motor is out
Measure the resistance of the upper shaft motor winding.
of order.
Replace the motor.
Trouble
Cause (1)
Cause (2)
Check and corrective measures
