(6) LED Display
Self-diagnosis results are displayed on 7-segment
LED on the model JAN
CD-FC200
board.
(a) Initial Self-Diagnosis Status Display at Power
on
Pass indication is made on the initial self-diagnosis
display screen at power on. At the same time,
the
same number as in the pass indication is displayed
on the 7-segment LED.
O: Local RAM check path (FC200)
1: Bus gate set path
i80
:
(FC200,
FC21O, FC222/FC224, FC230B,
FC240/FC241)
i80B : (FC200, FC21O, FC250/FC251,
FC260)
2: A-common RAM check path
3: CPU activation check path among FC200, FC21O,
z
G
FC222/FC224, FC230B and
FC240/FC241
( i80)
al
CPU activation check path among FC200, FC21O,
z
FC250/FC251, FC260 and FC265
(i80B)
:
4: Option RAM check path
(FC190)
& system
m
>
configuration parameter information transfer
Q
m
path
+J
m
5: First request path from model JANCD-FC200
6: Operation processor initialization &
self-
.:
m
diagnosis
2
7: Path for supplying a clock to each CPU
M
8: Parameter common,
local RAM transfer path
“2
~
9: Common and local RAM transfer paths of offset
‘-u
and macro information
l-l
A: CMOS fixed file check path (screen 10)
$
B: Inter-CPU regular operation check started
(screen 11)
C: CPU normal mode setup completed (except for
FC200)
(screen 12).
D: CPU normal mode (except for FC200) (screen 13)
-.
(b) System Operation Display
The point of the 7-segment LED blinks about every
one second.
The system is operating normally while
it is blinking.
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