Skip to main content

Remove the internal power supply unit (AC PMB)

Follow instructions in this section to remove the internal power supply unit (AC PMB).

About this task

To avoid potential danger, make sure to read and follow the safety information.

  • S002
    disconnect all power
    CAUTION
    The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
Attention

Procedure

  1. Make preparations for this task.
    1. If applicable, unlock or remove any locking device that secures the top cover, such as a Kensington lock; then, remove the top cover (see Remove the top cover).
    2. Disconnect all the drive cables from the system board; then, remove the drive cage from the node (see Remove the drive cage).
  2. Remove the cable wall and the internal power supply unit.
    1. Remove the two screws that secure cable wall; then, remove the cable wall.
    2. Remove the other two screws from the internal power supply unit; then, pull the two pull tapes as well as tilt the internal power supply unit from the corner with the blue touch point to remove the internal power supply unit from the system board.
      Important

      To prevent damage to the parts, make sure to carefully pull both pull tapes with equal strength at the same time.

      Figure 1. Removal of the cable wall and the internal power supply
      Removal of the power module board
  3. Disconnect the cables from the internal power supply unit (see Cable routing for the power module board and power input board module).
    Attention

    Remove the internal power supply unit BEFORE disconnecting the cables between the internal power supply unit and power input board module.

　

After this task is completed

  • Install a replacement unit (see Install an internal power supply unit (AC PMB)).
  • If you are instructed to return the component, follow all of the packaging instructions and use any packaging materials for shipping that are supplied to you.

Demo video

Watch the procedure on YouTube