HP Surestore Disk Array 12h - And FC60 Service Manual page 242

Table 31 Controller Enclosure Troubleshooting Flowchart (Sheet 2 of 5)
Controller Subsystem FAULT. Open
door and look at each Controller module
for:
- Power LED
- Fault LED
- 8 Status LEDs
Controller A or B
power LED off?
Controller A or B
fault LED on?
Controller A or B
status LEDs other than
0x80/0x00?
Possible Overheating or
Midplane Problem.
Check:
1. Environment
2. Power Supply Fan
3. Controller Fan
If OK then replace:
1. Midplane
2. Wiring Harness
Controller Enclosure Troubleshooting
242
Is the
FRONT PANEL
B
Controller Fault LED
on?
Yes
THIS Controller is unseated
or has failed:
Is 1. Reseat Controller
Yes 2. Replace Controller
3. Replace Midplane
4. Replace Memory
5. Replace Wiring Harness
No
THIS Controller has failed
POST diagnostics:
Is
1. Reseat Controller
Yes
2. Replace Controller
3. Replace Midplane
4. Replace Wiring Harness
Memory failure:
1. Replace memory on THIS Controller
No
Module
2. Replace Controller Module
3. Replace Memory and Controller
Yes
Is
Yes
Is Controller
Module status LEDs
0xAB, 0xAF, or
0xB2 ?
No
Go to
C
No
Contact the
Response
Center
No
Controller Fault
Yes
Fixed?
Go to
A
THIS Controller is running diagnostics
or has failed POST. If the LED status
is changing, it is running diags. If the
status is "latched", THIS Controller has
failed. See the status LED section of
the service manual for more information
No on the exact LED meanings.
Otherwise:
1. Reseat Controller
2. Replace Controller
3. Replace Memory
4. Repalce Midplane
5. Replace Wiring Harness