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Install the rear fan control board

Follow instructions in this section to install the rear 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.
  • Touch the static-protective package that contains the component to any unpainted metal surface on the server; then, remove it from the package and place it on a static-protective surface.
  • 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.
Note
Make sure you have a torque screwdriver available to properly replace the component.

Procedure

  1. If necessary, align the rear fan control board with the bracket, and place it onto the bracket; then, fasten the five screws to secure the rear fan control board.
    Note
    Tighten the screws with a torque screwdriver set to the proper torque. For reference, the torque required for the screws to be fully tighten is 0.9 ± 0.2 newton-meters.
    Figure 1. Rear fan control board installation
    Rear fan control board installation
  2. If necessary, attach the labels to both ends of the cable.
    1. Attach the white space portion of the label to one end of the cable.
    2. Wrap the label around the cable and attach it to the white space portion.
    3. Repeat to attach the other label to the opposite end of the cable.
    Figure 2. Label application
    Label application
    Note
    See the table below to identify the corresponding labels for the cables.
    FromToLabel
    Rear top fan control board: Power connectorPower distribution board: Rear top fan control board power connector
    • R-FAN
    • PWR TOP
    • R-FAN TOP
    Rear middle fan control board: Power connectorPower distribution board: Rear middle fan control board power connector
    • R-FAN
    • PWR MID
    • R-FAN MID
    Rear bottom fan control board: Power connectorPower distribution board: Rear bottom fan control board power connector
    • R-FAN
    • PWR BOT
    • R-FAN BOT
  3. Install the rear fan control board assembly.
    1. Connect the cable to the rear fan control board. See Fan control board cable routing.
    2. Hold the rear fan control board assembly in the correct orientation as illustrated, and slide it into the rear fan bulkhead.
    3. Locate the two screw holes marked with H on both sides of the system shuttle; then, fasten the two screws to secure the rear fan control board assembly.
    Note
    Tighten the screws with a torque screwdriver set to the proper torque. For reference, the torque required for the screws to be fully tighten is 0.9 ± 0.2 newton-meters.
    Figure 3. Rear fan control board assembly installation
    Rear fan control board assembly installation

After you finish

  1. Reinstall the system shuttle. See Install the system shuttle.
  2. Complete the parts replacement. See Complete the parts replacement.