
D. DNC1 APPENDIX B-75044EN/02
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(3) LED state when an error is occurred (Green LEDs)
No.
Software LEDs
Status of DNC1 board
1
On initializing, the SRAM test is failed. (The
RAM on the DNC1 board is possible to be
damaged.)
2
An illegal interrupt is occurred.
3
An error is occurred in DNC1 board.
To know the cause of failure, see the DNC1
log and the DNC1 dump by using the
Dnc1LogViewer screen.
Refer to “D.7 Dnc1LogViewer” for details.
(4) LED state when an error is occurred (Red LED)
No.
Hardware LED
Status of DNC1 board
1
A parity error is occurred.
(The RAM on DNC1 board is bad.)
(5) LED state when the diagnosis is runningGreen LEDs
No.
Software LEDs
Status of DNC1 board
1
Just starting diagnosis
2
LED test
3
LED test
4
LED test
5
LED test
6
(Running diagnosis )
7
Diagnosis is complete