
2. 15i SERIES HARDWARE
B–63325EN/03
114
(3) Alarms indicated by a blinking LED
LED display (blinking) f Off F On
No. LED display NC status
1 STATUS 0
A ROM parity error has occurred in the FROM, or the
FROM module is faulty.
2 STATUS 1
A parity error has occurred in the DRAM or the main CPU
card is faulty.
3 STATUS 2
An alarm condition has occurred on the axis control card.
4 STATUS 3
An alarm condition has occurred on the main CPU card, or
the card is faulty.
5 STATUS 4
A required card has not yet been mounted, or the main
board is faulty.
6 STATUS 5
The main CPU card is faulty.
7 STATUS 7
A failure has occurred in the display unit.
8 STATUS 8
Other system alarms
9 STATUS 8 and decimal point
The optical fiber cable for the display unit is broken.
10 STATUS 9
The C board is faulty.
11 STATUS Upper–case H
A DRAM test error has occurred, or the main CPU card is
faulty.
The dot of the STATUS LED indicator remains lit if the indicator is not
a CNC–only indicator.