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Sun Server X4-4 Service Manual

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Updated: October 2015
 
 

Replace the Fan Board (FRU)

When servicing the components in this section, unplug the AC power cords and use ESD protection.

image:An illustration showing how to wear an anti static wrist strap.

Before You Begin

  1. Prepare the server for service. See Prepare the Server for Cold Service.
  2. Remove all fan modules.

    See Remove a Fan Module.

  3. Remove all memory risers.

    See Remove a Memory Riser Card.

  4. Disconnect any cables plugged into the USB or video connectors on the front of the server.
  5. Remove the fan board:
    1. Loosen the three captive screws connecting the front-side memory riser guide to the motherboard.
      image:An illustration showing the loosening of the three captive screws.
    2. Remove the two screws on each side of the outside of the chassis that hold the fan board unit in place.
      image:An illustration showing the actions described in these steps.
    3. Unplug the fan board cable and power cables from motherboard.
    4. Remove the front memory riser guide by pulling it up and out of the chassis.
      image:An illustration showing the actions described in these steps.
    5. To remove, slide the fan board cage away from the front of the server (to clear the lip at the front of the chassis) and lift it out of the server.
      image:An illustration showing the actions described in these steps.
  6. Remove the fan board cable and power cables from the faulty fan board unit and plug them into the fan board on the replacement fan board unit.
  7. To install the fan board unit:
    1. Insert the fan board unit into the chassis, moving it down and toward the front.
      image:An illustration showing the actions described in these steps.
    2. Reposition the front memory riser guide, routing the fan board and power cable through the riser guide.
      image:An illustration showing the actions described in these steps.
    3. Connect the fan board cable and power cable into the connectors on the motherboard and partially tighten the two screws that secure the riser guide to the chassis.
      image:An illustration showing the actions described in these steps.
    4. Tighten the three captive screws to hold the front memory riser guide in place.
      image:An illustration showing the actions described in these steps.
    5. To secure the fan board unit in place, fully tighten the two screws that secure the riser guide to the chassis.
  8. Install the fan modules.

    See Install a Fan Module.

  9. Install the memory risers.

    See Install a Memory Riser Card.

  10. Prepare the server for operation. See Prepare the Server for Operation.
    Note -  The product serial number used for service entitlement and warranty coverage might need to be reprogrammed by authorized service personnel with the correct product serial number.
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