Dell PowerVault DP100 - Manual (Page 81)

2. Open the system. See Opening the System .
3. Ensure that the faulty fan's power cable is firmly attached to the fan power connector. For a hot-plug fan, remove and reseat the fan. See Cooling Fans .
4. If the problem is not resolved, install a new fan. See Cooling Fans .
If the replacement fan is working properly, close the system. See Closing the System .
If the replacement fan does not operate, see Getting Help .
Troubleshooting System Memory
Problem
l Faulty memory module.
l Faulty system board.
l Front-panel diagnostic lights indicate a problem with system memory.
Action
1. Run the appropriate online diagnostic test. See Using Dell PowerVault Diagnostics .
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 10 .
3. Enter the System Setup program and check the system memory setting. See Using the System Setup Program .
If the amount of memory installed matches the system memory setting, go to step 10 .
4. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
5. Open the system. See Opening the System .
6. Reseat the memory modules in their sockets. See Installing Memory Modules .
7. Close the system. See Closing the System .
8. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
9. Enter the System Setup program and check the system memory setting. See Using the System Setup Program .
If the amount of memory installed does not match the system memory setting, then perform the following steps:
a. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
b. Open the system. See Opening the System .
c. Swap the memory module in socket 1 with another of the same capacity. See Installing Memory Modules .
d. Close the system. See Closing the System .
e. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time.
NOTE: Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.
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.
NOTE: Several configurations for memory modules exist; see General Memory Module Installation Guidelines .