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Installing the System
Installing Additional Components
Chapter 3
68
Figure 3-8 Control Panel
Table 3-3 and Table 3-4 list the control panel LED and the switch and button LED status and descriptions.
Table 3-3 Control Panel LED Definitions
LED/ Button State Flash Rate Color Description
System LED Running Steady Green System normal; OS up and running.
System LED Booting Flashing at
0.5 Hz
Green OS booting or at BCH.
System LED Attention Flashing at
1 Hz
Yellow Warning—System needs attention.
Redundancy lost, component failure
pending.
System LED Fault Flashing at
2 Hz
Red Hard fault. System halted.
System LED Off Off N/A System off.
Power LED On Steady Green Power normal.
Power LED On Flashing at
1 Hz
Yellow Housekeeping voltage present.
Power LED Off Off Off Power off.
Disk LED Flashing at
rate of disk
activity
Green Disk activity.
Thermal LED OK Steady Green Thermal OK.
Thermal LED Warning Flashing at
1 Hz
Yellow Thermal warning.
Locator Button/LED Flashing at
1 Hz
Blue System locator LED can be remotely
or locally activated and deactivated.
Power Button
Disk LED
System LED
Thermal LED
Locator
Button/LED
Power LED
TOC/NMI Button