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Remove the front fan control board

Follow instructions in this section to remove the front fan control board. The procedure must be executed by a trained technician.

About this task

Attention
  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
  • Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.
  • If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the chassis from the rack. See Remove the server from rack.
  • Two people and one lifting device on site that can support up to 400 lb (181 kg) are required to perform this procedure. If you do not already have a lifting device available, Lenovo offers the Genie Lift GL-8 material lift that can be purchased at Data Center Solution Configurator. Make sure to include the Foot-release brake and the Load Platform when ordering the Genie Lift GL-8 material lift.

Procedure

  1. Make preparation for this task.
    1. Remove the front top cover. See Remove the front top cover.
    2. Remove all the front fans. See Remove a front fan.
    3. Remove the fan cage. See Remove the fan cage (trained technician only).
  2. Remove the inner fan cage.
    1. Unfasten the five screws that secure the inner fan cage to the outer fan cage.
      Figure 1. Separating inner fan cage
      Separating inner fan cage
    2. Grasp the inner fan cage and separate it from the outer fan cage.
      Figure 2. Inner fan cage removal
      Inner fan cage removal
  3. Unfasten the five screws to remove the front fan control board from the outer fan cage.
    Figure 3. Front fan control board removal
    Front fan control board removal
  1. Install a replacement unit. See Install the front fan control board.
  2. If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.