Dell PowerEdge 850 - Manual (Page 120)

8. Close the system. See " Closing the System " in "Troubleshooting Your System."
PCI Fan Module
The PCI fan module provides cooling for the expansion cards.
Removing the PCI Fan Module
1. Open the system. See " Opening the System " in "Troubleshooting Your System."
2. Disconnect the fan module's power cable. Depending on your system, this connector may be on the fan assembly cable or the daughter card.
3. Gently pull the fan module up and away from the alignment pin on the chassis, and remove the fan module from the system. See Figure 5 -4 .
Figure 5-4. Installing and Removing the PCI Fan Module
Installing the PCI Fan Module
1. With the fan power cable facing towards the rear of the system, align the fan module alignment hole with the alignment pin on the chassis. See
Figure 5 -4 .
2. Install the PCI fan module against the tab and atop the alignment pin on the system chassis.
3. Reconnect the fan module's power cable to the connector on the fan assembly or daughter card.
4. Close the system. See " Closing the System " in "Troubleshooting Your System."
Power Supply
The system supports a single nonredundant power supply.
Removing the Power Supply
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.