Hot-Swap Fan Assembly Removal
This section contains multiple procedures for processor cooling fans and PCI adapter
cooling fans. Select the removal procedure according to the hot-swap fan assembly you
are servicing.
To remove a hot-swap fan, do the following:
1. On a Model 6C4, open the front and rear rack doors and put the system into the
service position as described in “Placing the Model 6C4 into the Service Position”
on page 53.
On a Model 6E4, open the bezel door.
2. Remove the service access cover as described in “Service Access Cover Removal
(Model 6C4)” on page 55 or “Service Access Cover Removal (Model 6E4)” on
page 57.
3. Locate the cooling fan assemblies, as shown in the illustration on page 97.
4. The failing fan assembly has an amber-colored LED that is lit.
Note: All of the hot-swap fan assemblies used in your system have an amber
colored LED located on the top of the fan assembly. When lit this LED is
indicating that its fan assembly has a problem. The fan might not be spinning
or is not spinning fast enough to help cool the system unit.
Hot-Swap Processor Fan Removal
If you are servicing one of the processor cooling fan assemblies, do the following:
1. Lift the processor fan access cover.
2. Place your thumb and index finger into the two finger holes that are located on the
top of the faulty fan.
3. Lift the faulty fan out of the system.
Note: The processor cooling fans have a docking connector, located on the bottom
of the fan assembly. The docking connectors automatically disconnect as the
fan is being removed from the chassis.
Hot-Swap PCI Adapter Fan Removal
Attention: The system will power off in the event that the failing PCI cooling fan has
not been exchanged within five minutes.
If you are servicing one of the PCI adapter cooling fan assemblies, do the following:
1. Disconnect the cooling fan’s power cable from the connector, located on the front of
the fan assembly.
2. Place your index finger below the front connector and slide the fan out of the fan
cage.
Note: The adapter cooling fan assemblies come in stacked pairs. You cannot
replace a single fan in the stacked pair.
Chapter 4. Installing Options 95
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