User Service Guide, Fifth Edition - HP Integrity rx8640 SEU

1. Check for fault LEDs and check the MP logs for errors.
2. Check that a conductive item has not been dropped or left inside the SEU chassis.
3. Check the connections on all boards.
4. Check the system backplane for bent pins.
5. Minimize configuration to isolate a potential bad device.
SEU LED Indicators
The SEU has LEDs that indicate system health. This section defines those LEDs.
Front Panel LEDs
There are five (5) LEDs located on the front panel.
Figure 4-1 Front Panel with LED Indicators
Table 4-1 Front Panel LEDs
DescriptionStatusLED
48 V OffOffPower
48 V Good (LED functions even if MP is not installed and not active)Green (solid)
Server cabinet is powering Off
OS shutdown is in progress
Green (flashing)
Non-redundant power condition exists. Check for:
• I/O Backplane VRMs fault
• BPS fault
• Missing or faulty power cord
Amber (flashing)
Insufficient power available. Check for:
• BPS missing
• PCI power module missing
• Backplane VRMs missing
Red (flashing)
No MPs are installed or at least one is installed but not activeOffMP Status
At least one MP is installed and activeGreen (solid)
Cabinet fan slow or failed
Master slave failover
Amber (flashing)
MP is booting (Occurs immediately after AC power On)
FPGA detects no MPs present or functioning
Amber (solid)
Cabinet overtemp condition existsRed (flashing)
Cabinet shutdown for thermal reasonsRed (solid)
72 Troubleshooting