110 Troubleshooting Your System
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
Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" on page121.
2
Open the system. See "Opening the System" on page 48.
CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace
one fan at a time.
3
Locate the faulty fan indicated by the LCD panel or diagnostic software. For the identification number
of each fan, see Figure3-5.
4
Check the fan connection by removing and reseating the fan in its bracket slot. See"Removing and
Installing a Fan" on page53.
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"Removing and Installing a Fan" on page 53.
If the replacement fan is working properly, close the system. See "Closing the System" on page48.
If the replacement fan does not operate,
see "Getting Help" on page 131.
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
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page121.
2
Turn on the system and attached peripherals.
If an error message does not appear, continue to the next step.
If an error messages appears, go to step 11.
3
Enter the System Setup program and check the system memory setting. See "Using the System Setup
Program" on page33.
If the amount of memory installed matches the system memory setting, go to step 11.