
6
6.1 LCD–Mounted Type i Series Hardware
162
D LED indication
Status (green) Alarm (red)
(1) Changes in status LED (green) indication at power–on time
No.
Status LED
(LED1, 2)
Status
1 jj Power is not supplied.
2 JJ Initial status immediately after power is switched on; the
sub–CPU has not started.
3 jJ RAM initialization.
4 Jj Waiting for system ID to be set up.
5 jj Waiting for software initialization to be completed No. 1
6 JJ Waiting for software initialization to be completed No. 2
7 jJ Initialization of position coder, digital servo circuit, etc.
8 Jj Initialization completed, and usual operation under way
J: On j: Off
(2) Alarm LED (red) indication at system alarm occurrence
Alarm LED
Meaning
ALM1 Bus error on sub–CPU board.
ALM2 Servo alarm.
ALM3 On: DRAM parity or ECC alarm
Blinking: L–bus error (when the CPU peripheral control G/A is
the master)