Remove and Replace a Power Supply

$DEV_NAME $FRU_NAME, has been selected.

To prepare for this service action, perform the following:

- Enable the reserve the Common Storage Module (CSM) or Common Expansion Module (CEM) function.

  1. Reserve the CSM/CEM for maintenance.

  2. Enter a description of the service action (replacing a power supply).

  3. Select the estimated amount of time of the service action from the pull-down.

  4. Select the Reserve button.

     a) Other users will be alerted that this service action is in progress when they login.

- Generate a current FRU inventory.

- Observe all ESD precautions.

  To Remove and Replace a Power Supply

  1. If needed, to help locate the correct tray, activate the flashing Amber LEDs:

     a) Turn on the tray disk drive Amber LEDs.

     b) View the tray disk drive LED location illustration.

     Note: All of the disk drive Amber LEDs will flash.

  2. Remove the back cover if needed.

  3. From the rear, locate the failed power supply by checking the fault lights. If a fault is detected, the Amber LED will be on.

     a) Power supply "A" is located on the left and power supply "B" is located on the right when viewing the CSM/CEM from the rear.

     b) View the power supply location illustration.

  4. Verify that the power supply is ready to remove.

     a) The power supply status should be "failed".

     b) If the power supply is not "failed" call your Sun Service provider.

  5. Turn the power switch on the failed power supply to the "Off" position.

  6. Unplug the power cord from the failed power supply.

  7. Squeeze the pull ring on the failed power supply to release the lever. Open the lever, and pull the power supply out of the unit.

     a) View the power supply removal illustration.

  8. Unpack the new power supply and save all of the packing materials to return the failed power supply in. Use care when handling either the new or the failed power supply.

  9. Ensure the power switch on the new power supply is in the "Off" position.

  10. Verify that the lever on the new power supply opens in the same direction as the one you just removed. If it does not, move the lever to the other pivot post. A small tip Phillips screw driver is required to loosen the screw holding the lever in place.

  11. Insert the new power supply until it connects with the midplane connector and close the lever.

  12. Plug the power cord into the new power supply.

  13. Turn the power switch to the "On" position.

  14. The Green power LED should now be "On".

  15. Verify the new power supply "State" and "Status".

      a) The power supply "State" should be "Enable" and the "Status" should be "OK".

  16. A new FRU inventory will need to be created for the new controller: Generate new FRU inventory.

  17. Turn off the Amber LEDs used to locate the CSM/CEM.

      a) Turn Off tray LEDs.

  18. Disable the reserve CSM/CEM function.

      a) Select the Release button.