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Troubleshooting
Diagnostic Steps
If the server does not power up, or powers up but does not complete POST, answer the
questions in Table 5-1 to determine appropriate actions based on the symptoms observed. The
flow of questions reflects the usual flow of events during a power-on sequence. A flow chart
following this table illustrates the recommended diagnostic steps and decision options.
According to the answers you give, you will be directed to an appropriate secondary table in
this section. The table outlines possible reasons for the problem, options available to assist in
diagnosis, possible solutions, and references to other sources of information.
Table 5-1: Diagnostic Steps
Question Action
Question 1:
Is the system power LED off?
If no, continue to question 2.
If yes, refer to Table 5-2.
Question 2:
Is the system power LED green?
If yes, continue to question 3.
If no, refer to Table 5-3.
Question 3:
Is the external health LED green?
If yes, continue to question 4.
If no, refer to Table 5-4.
Question 4:
Is the internal health LED green?
If yes, continue to question 5.
If no, refer to Table 5-5.
Question 5:
Is the monitor displaying information?
If yes, use the POST messages for further diagnosis.
Refer to Table 5-6 for details.
If no, refer to Table 5-6.
Table 5-2: Is the System Power LED Off?
Answer Possible
Reasons Possible
Solutions
The system is not connected to AC
power, or no AC power is available.
A power supply problem exists. The
power supply may not be connected or
inserted properly, it may have a
damaged connector, or it may have
failed.
Be sure that the power cord is connected to the power
supply.
Be sure that the power supply is undamaged and fully
seated, and then verify that the power supply LED is green
when you power up the server. Refer to Chapter 4, “Server
Component Identification,” for locations and states.
A broken connection exists between the
front panel LED assembly and the
removable media board.
Be sure that the power switch cable assembly is inserted
properly to the removable media board.
Yes, it is
off
The front panel LED assembly has
failed.
Refer to the HP Servers Troubleshooting Guide for further
options.
If these solutions do not solve the problem, contact an
authorized service provider for assistance.
continued
5-4
HP ProLiant DL585 Server Maintenance and Service Guide
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