150 Troubleshooting Your System
4
Ensure that the faulty fan is fully seated in the fan bracket and attached to
the power connector. See "System Fans" on page82.
NOTE: Wait 30 seconds for the system to recognize the fan and determine
whether it is working properly.
5
If the problem is not resolved, install a new fan. See "System Fans" on
page82.
If the replacement fan is working properly, close the system. See "Opening
and Closing the System" on page 70.
If the replacement fan does not operate, see "Getting Help" on page175.
Troubleshooting System Memory
Problem
• Faulty memory module.
• Faulty system board.
• Front-panel status LCD indicates a problem with system memory.
Action
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer and protecting against
electrostatic discharge.
1
If the system is operational, run the appropriate online diagnostic test. See
"Using Server Administrator Diagnostics" on page161.
If diagnostics indicates a fault, follow the corrective actions provided by
the diagnostic program. If the problem is not resolved or if the system is
not operational, continue to the next step.
2
Turn off the system and attached peripherals, unplug the system from the
power source and press the power button, and then reconnect the system
to power.