IBM 306m - eServer xSeries - 8849, Problem Determination And Service Manual

Page: 90 / 144

v
No: Go to step 2.
v Yes: Shut down all failing servers that are related to the cluster. Go to step 2.
2. Complete the following steps:
a. Check the power supply LED, see “System-board LEDs” on page 9.
b. Turn off the server and all external devices.
c. Check the internal and external devices for compatibility, go to
http://www.ibm.com/servers/eserver/serverproven/compat/us/.
d. Check all cables and power cords.
e. Set all display controls to the middle positions.
f. Turn on all external devices.
g. Turn on the server. If the server does not start, see “Troubleshooting tables”
on page 75.
h. Check the system-error LED on the operator information panel. If it is
flashing, check the LEDs on the system board (see “System board LEDs” on
page 87).
i. Check for the following results:
v
Successful completion of POST (see “POST” on page 61 for more
information)
v Successful completion of startup
3. Did one or more beeps sound?
v No: Find the failure sysmptom in “Troubleshooting tables” on page 75; if
necessary, run the diagnostic programs (see “Running the diagnostic
programs” on page 89).
– If you receive an error, see “Diagnostic error codes” on page 91.
– If the diagnostic programs were completed successfully and you still
suspect a problem, see “Solving undetermined problems” on page 110.
v
Yes: Find the beep code in “POST beep codes” on page 61; if necessary,
see “Solving undetermined problems” on page 110.
74
IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide