HP Surestore Disk Array 12h - And FC60 Service Manual page 220

Hardware Initialization
Hardware initialization codes are displayed on the LED bank as the hardware is initialized
during a power up or reset sequence.
If the controller encounters errors during hardware initialization, error patterns
are displayed on the LEDs. These error patterns are listed in
229.
These status codes are displayed only momentarily and are typically not visible
Note
if the controller is operating normally. They are only visible if the firmware
"hangs" while executing these functions.
Boot Menu Execution
Prior to the Boot Menu actually executing, the controller will display a number of status
codes indicating various functions being executed (see
Boot Menu is invoked, the controller will cycle through all of the LEDs one by one, and the
LED pattern displayed is shown in
Note that a
Note
Table 26
LEDs Prior to Boot Menu
0x01
0x02
0x04
0x08
0x10
0x20
0x40
0x80
x01, etc.
Controller Enclosure Troubleshooting
220
Table 26.
! ! ! ! indicates the LED is ON or Flashing.
Table 30 on page
Table 30 on page 229). Once the