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DR Series DR4300 - Owner's Manual

DR4300 system overview Technical specifications Initial system setup and configuration Pre-operating system management applications
Options to manage the pre-operating system applications System Setup Dell Lifecycle Controller Boot Manager PXE boot
Installing and removing system components
Safety instructions Before working inside your system After working inside your system Recommended tools Front bezel (optional) System cover Cooling shroud Cooling fans Cooling-fan assembly System memory Processors and heat sinks PCIe card holder Cable retention bracket Integrated storage controller card Expansion cards and expansion card riser Internal dual SD module (optional) Network daughter card Internal USB memory key (optional) System battery Power supply units (PSU) System board Trusted Platform Module Hard drives Hard drive backplane SD vFlash card (optional) Control panel assembly
Using system diagnostics Jumpers and connectors Troubleshooting your system

Troubleshooting power supply unit problems

1.
Ensure that no loose connections exist.
For example, loose power cables.
2.
Ensure that the power supply handle/LED indicates that the power supply is working properly.
3.
If you have recently upgraded your system, ensure that the power supply unit has enough power to support the new system.
4.
If you have a redundant power supply configuration, ensure that both the power supply units are of the same type and wattage.
If the LED You may have to upgrade to a higher wattage power supply unit.
5.
Ensure that you use only power supply units with the Extended Power Performance (EPP) label on the back.
6.
Reseat the power supply unit.
* 
NOTE: After installing a power supply unit, allow several seconds for the system to recognize the power supply unit and determine if it is working properly.
If the problem persists, see the Getting help section.
Related references 
Getting help

Troubleshooting cooling problems

* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.

Ensure that the following conditions exist:

•
System cover, cooling shroud, EMI filler panel, memory module blank, or back filler bracket is not removed.
•
Ambient temperature is not higher than the system specific ambient temperature.
•
External airflow is not obstructed.
•
A cooling fan is not removed or has not failed.
•
The expansion card installation guidelines have been followed.

Additional cooling can be added by one of the following methods:

From the iDRAC web GUI:

1.
Click Hardware > Fans > Setup.
2.
From the Fan Speed Offset drop-down list, select the cooling level required or set the minimum fan speed to a custom value.

From F2 System Setup:

1.
Select iDRAC Settings > Thermal, and set a higher fan speed from the fan speed offset or minimum fan speed.

From RACADM commands:

1.
Run the command racadm help system.thermalsettings

For more information, see the Integrated Dell Remote Access User’s Guide at Dell.com/idracmanuals.

Troubleshooting cooling fans

* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
* 
NOTE: The fan number is referenced by the systems management software. In the event of a problem with a particular fan, you can easily identify and replace it by noting down the fan numbers on the cooling fan assembly.
1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
1.
Reseat the fan or the fan's power cable.
2.
Restart the system.
1.
Follow the procedure listed in the After working inside your system section.
2.
If the problem persists, see the Getting help section.
Related tasks 
Before working inside your system
Related references 
Getting help
Safety instructions

Troubleshooting system memory

* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
1.
If the system is operational, run the appropriate system diagnostic test. See the Using system diagnostics section for the available diagnostic tests.

If the diagnostic tests indicate a fault, follow the corrective actions provided by the diagnostic tests.

2.
If the system is not operational, turn off the system and attached peripherals, and unplug the system from the power source. Wait at least for 10 seconds, and then reconnect the system to the power source.
3.
Turn on the system and attached peripherals, and note the messages on the screen.

If an error message is displayed indicating a fault with a specific memory module, go to step 12.

4.
Enter System Setup, and check the system memory setting. Make any changes to the memory settings, if needed.

If the memory settings match the installed memory but the problem still persists, go to step 12.

5.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
6.
Remove the system cover.
7.
Check the memory channels and ensure that they are populated correctly.
* 
NOTE: See the system event log or system messages for the location of the failed memory module. Reinstall the memory device.
8.
Reseat the memory modules in their sockets.
9.
Install the system cover.
10.
Enter System Setup and check the system memory setting.
If the problem is not resolved, proceed with step 11.
11.
Remove the system cover.
12.
If a diagnostic test or error message indicates a specific memory module as faulty, swap or replace the module with a known working memory module.
13.
To troubleshoot an unspecified faulty memory module, replace the memory module in the first DIMM socket with a module of the same type and capacity.
If an error message is displayed on the screen, this may indicate a problem with the installed DIMM type(s), incorrect DIMM installation, or defective DIMM(s). Follow the on-screen instructions to resolve the problem.
14.
Install the system cover.
15.
As the system boots, observe any error message that is displayed and the diagnostic indicators on the front of the system.
16.
If the memory problem persists, repeat step 12 through step 15 for each memory module installed.

If the problem persists, see the Getting help section.

Related references 
Getting help
Using system diagnostics
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