HP ProLiant DL760 Server - Manual (Page 209)

E-10 Compaq ProLiant DL760 Servers User Guide
Compaq Confidential – Need to Know Required
Writer: Bryce Miller Project: Compaq ProLiant DL760 Servers User Guide Comments:
Part Number: 173744-001 File Name: o-appe Troubleshooting Information.doc Last Saved On: 1/25/01 3:06 PM
Table E-5
Are all of the System Interconnect Status LED Indicators Off?
See “System Interconnect LED Indicators” in Appendix D.
IMPORTANT: To prevent damage to critical system components, the ProLiant DL760 server will not power
up if it senses that certain components are not installed, or are installed incorrectly. The system
interconnect LED indicator indicators provide a closed-loop checking mechanism for verifying proper
component mating between critical server components. These indicators are located in the I/O Module in
front of the system fans. They are operated using standby power provided by the power supplies. To check
system interconnect LED indicators, the server should be placed in standby mode with the power supplies
plugged in.
Answer Possible Reasons The Next Step
If a system interconnect LED indicator
corresponding to a component or module is
on, then the corresponding component or
module is missing or not seated properly.
This could include, any processor, Processor
Power Module (PPM), the memory board, a
fan, or the I/O module, processor and
memory module, or media module.
Reseat the component represented by the
system interconnect LED indicator.
If the emergency shutdown system
interconnect LED is on, AC power to the
system has been cut to avert imminent
component damage and data loss.
The terminator PPM may have failed.
The fan controller has stopped responding.
The system has recorded a temperature
violation.
A short circuit may have occurred.
Check for bent pins on the midplane and
power supply which may have caused a
short.
Verify that the fans are working properly.
Check the integrated management log
(IML) as soon as possible to view
messages which indicate the component
causing the shutdown.
No
If the reset LED is on, the system is in reset.
A power supply may have stopped providing
adequate power as per system specifications
The system may have experienced a short
A PPM may have failed.
A reboot may have been initiated via
Automatic Server Recovery (ASR-
2)."Automatic Server Recovery (ASR)"
Check for failed PPMs. When a PPM has
failed, a red LED can be viewed through
the grate on the Processor and Memory
Module.
Reseat the system boards.
Check for bent pins on the midplane.
Verify that the power supplies are
functioning properly.
continued