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Chapter 2 Sun Fire T1000 Server Diagnostics 13
8. Identify the cause
of the over
temperature
condition
The over temperature condition may be caused
excessive ambient room temperature, an
overheating power supply or a faulty fan tray
assembly.
• If ambient room temperature is too high, reduce
room temperature.
• If over temperature condition still exists, go to
Action 9.
• If over temperature condition does not exist, go
to Action 10.
9. Identify the faulty
FRU.
The FRUs require that you shut down the server to
perform a cold-swap.
After replacing the faulty FRU, go to Action 14.
“To Remove the Fan Tray
Assembly” on page 60 and
“To Replace the Fan Tray
Assembly” on page 61.
“To Remove the Power
Supply” on page 61 and
“To Replace the Power
Supply” on page 62
10. Check the Solaris
log files for fault
information.
The Solaris message buffer and log files record
system events and can provide information about
faults.
• If system messages indicate a faulty device,
replace the FRU (Action 11).
• To obtain more diagnostic information, got to
Action 7.
“Collecting Information
From Solaris OS Files and
Commands” on page 39
11. Run POST. POST perforsm basic tests of the server components
and reports faulty FRUs.
• If POST indicates a faulty FRU, replace the FRU
(Action 9).
• If POST does not indicate a faulty FRU, go to
Action 12.
“Running POST” on
page 27
12. Run SunVTS. SunVTS provides tests used to exercise and
diagnose FRUs. To run SunVTS, the server must be
running the Solaris OS.
• If SunVTS reports a faulty device replace the
FRU (Action 9).
• If SunVTS does not report a faulty device, go to
Action 11.
“Exercising the System
with SunVTS” on page 43
TABLE 2-1 Diagnostic Flow Chart Actions (Continued)
Action
No. Diagnostic Action Resulting Action
For more information, see
these sections