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Fan Assemblies
This topic provides the following information:
v "Fan assembly overview"
v "Precautions specific to fan assemblies" on page 173
v "Fan assembly fault indicators" on page 174
v "Fan assembly task guide" on page 174
v "Time and items required" on page 175
v "Removing a fan assembly" on page 175
v "Installing a fan assembly" on page 176
v "Verifying fan operation" on page 176
Fan assembly overview
Following are important details that you should note about fan assemblies:
v Two fan assemblies are installed in the device, containing two fans each, for a total of four fans.
v
The device requires 3 fans out of 4 functioning fans for operation.
v
Fan assemblies with the following airflow directions can be installed. All fan assemblies must have the
same airflow direction and match airflow direction of installed power supplies.
- Fan assembly with nonport-side air intake. Fans move air from the nonport side to the port side of
the device.
- Fan assembly with nonport-side air exhaust. Fans move air from the port side to the nonport side of
the device.
v Fan assemblies can be removed and replaced without special tools.
v The device can continue operation while one fan assembly is replaced if the fan assembly is replaced
immediately.
The following figure illustrates fan assembly components.
Figure 70. Fan assembly
1 - Power LED
2 - Captive screw
© Copyright IBM Corp. 2018
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