
6. HARDWARE
153
(2) Changes in status LED (green) indication at power–on time (PC side
status : Green LED)
No.
Status LED
(LED 5 to 8)
5.6.7.8
Status
1 jjjj Power is not supplied.
2 JJJJ Initial status immediately after power is switched on.
3 JJJj The NC to PC interface is being initialized.
4 JJjJ Waiting for the PC to boot.
5 JJjj The NC screen is displayed on the PC.
6 Jjjj Operating normally after starting up successfully.
J: On j: Off
(3) Alarm LED (red) indication at system alarm occurrence
If any of these LEDs lights, it is likely that the hardware is defective.
Alarm LED
Meaning
SVALM Servo alarm
SYSEMG Lights when a system alarm occurs. The hardware has detected
a failure in the system.
SYSFAIL Lights when a system alarm occurs. Used by the software to
stop the system. Lights while boot is under way.
PARITY1 SRAM parity alarm
PARITY2 Common RAM parity alarm between NC and PC
(4) Status LED (red) indication at error occurrence (PC side status : Green
LED)
Status LED
(LED 5 to 8)
5.6.7.8
Status
jJjj Common RAM parity alarm between NC and PC
J: On j: Off
(5) PC POWER (green LED) lights when the CE card is powered on
(including during backup operation).
D Rotary switch setting
For the LCD–mounted type, the startup sequence used during power–up
can be changed by the rotary switch on the mother board.
Rotary switch
setting
Contents
0 Setting for maintenance.
The start menu is displayed. It is possible to start boot
and IPL from the PC.
1 Setting for usual operation.
The start menu is not displayed.
It is impossible to start boot or IPL from the PC.
2 Setting for maintenance.
Normally, this position is not used.
7 Setting for maintenance.
The start menu is displayed when MDI keys <6> and <7>
are pressed.
It is possible to start boot or IPL from the PC.