Replacing a cooling fan

Use the following procedure to replace a cooling fan or fans.

Prerequisites

  1. Review Notes, cautions, and warnings at the beginning of this guide

  2. Review Handling precautions.

  3. Review

    • Required knowledge for working with scale unit nodes in Azure Stack Hub ruggedized

    • Required knowledge for working with the Hardware Lifecycle Host on page 5 if you are working with the Hardware Lifecycle Host

  4. Complete

    • Verifying scale unit node access and health if you are working with a scale unit node

    • Verifying Hardware Lifecycle Host access and health if you are working with the Hardware Lifecycle Host

  5. Complete

    • Powering off scale unit nodes if you are working with a scale unit node

    • Powering off the Hardware Lifecycle Host if you are working with the Hardware Lifecycle Host

Steps

  1. Locate the physical node in the rack.

  2. Verify that the node is powered off. The power LED should be orange.

    Caution

    Before disconnecting the cables on the server you are working on, ensure that each cable is properly labeled. The cables MUST be reconnected to the same ports.

  3. Replace the fan or fans.

    Follow the fan replacement process for scale unit nodes or Hardware Lifecycle Hosts.

  4. Power on the node.

    After reconnecting the power, if the server does not automatically reboot, then press the power button to turn the node back on.

Next steps

If you are working with a scale unit node:

  1. Complete Powering on a scale unit node

  2. Complete Verifying scale unit node health. If you are working with the Hardware Lifecycle Host:

    • Complete Verifying Hardware Lifecycle Host health