Chapter 3: Subsystem Monitoring
Figure 3-
4
: Controller LEDs on S12E-G1133-2
3.2.3.1 System Status LEDs
The controller status LEDs are numbered from 1 to 6 and located on
the controller’s rear-facing faceplate. (See
Figure 3-3
and
Figure 3-4
)
The definitions are shown in
Table 3-3
.
LED
Name
Color
Status
1
Ctrl
Status
Green/
Amber
GREEN
indicates that the controller
is active and operating normally.
AMBER
indicates the controller is
being initialized or has failed. The
controller is not ready.
2 C_Dirty
Amber
ON
indicates the following:
- There are cached data held in
memory.
-
Errors occurred with cache
memory (ECC errors).
-
Cached data is sustained by
battery backup.
- Battery voltage is lower than 2.5V.
-
Battery temperature reading is
abnormal (out of the 0 to 45°C
3-5
