Chapter 5: Subsystem Maintenance and Upgrading

Replacing a cooling module: Once you are notified that a cooling module has failed, it should be replaced as soon as possible. A failed cooling module should only be removed from the subsystem when you have a replacement module immediately available.

5.6.2Replacing a Cooling Module

If one of the cooling modules fails, it must be replaced as soon as possible. The cooling module is secured to the PSU module with the six (6) screws from the top. To replace the cooling module, follow the steps below:

WARNING!

The fan replacement process should be completed within five (5) minutes. If the process takes too long, the accumulated heat can damage the subsystem.

Step 1. To remove the cooling module, Please follow the PSU removal discussion.

remove the PSU module first. process listed in the previous

Step 2. Use a medium-size Phillips screwdriver to remove the six screws from the top of the PSU module. (See Figure 5-12:Removing a Cooling Module)

Figure 5-12: Removing a Cooling Module

Step 3. Remove the cooling fan assembly by the following steps:

Cooling Module Maintenance

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