Dell PowerEdge R415 - Manual (Page 156)

156 Troubleshooting Your System
Troubleshooting System 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
came with the product.
Ensure that none of the following conditions exists:
• System cover, system board shroud, power distribution board shroud,
hard-drive blank, or front or back filler panel is removed.
• Ambient temperature is too high.
• External airflow is obstructed.
• Cables inside the system obstruct airflow.
• An individual cooling fan is removed or has failed. See "Troubleshooting a
Fan" on page 156.
Troubleshooting a Fan
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
came with the product.
1 Open the system. See "Opening the System" on page 82.
CAUTION: The cooling fans are hot-swappable. To maintain proper cooling while
the system is on, only replace one fan at a time.
2 Locate the faulty fan indicated by the LCD panel or the diagnostic
software.
3 Turn off the system and all attached peripherals.
4 Remove and reseat the fan. See "Removing a Cooling Fan" on page 117.
5 Restart the system.
NOTE: Wait at least 30 seconds for the system to recognize the fan and
determine whether it is working properly.
R415HOM.book Page 156 Friday, September 24, 2010 9:37 AM