DS8000 Service Documentation Version 7.5

MAP4841 CEC enclosure fails to power off during service processor repair (Model 961)

You have been sent to this procedure during the replacement of a CEC enclosure FRU.

Before you begin

Warning: This procedure must only be used if you were sent here from elsewhere in maintenance package.

About this task

You are here because the replacement process either failed to power off the CEC enclosures or was unable to verify if the CEC enclosure was already powered off. This can occur if the management console is unable to communicate with the service processor.
Related tasks:
How to start the service information center

MAP4841 Section-1

Procedure

  1. Verify that the managed system is powered off. At the rear of the storage facility, view the CEC enclosure power supplies. See Figure 1.

    Callout label 1 is the LED for AC GOOD, Callout label 2 is the LED for DC GOOD, Callout label 3 is the LED for IDENT.

    Figure 1. Power supply LED indicators (Model 961)
    Power supply LED indicators

    Are the DC GOOD LEDs Callout label 2 solidly lit?

    • Yes, continue with the next step.
    • No, the CEC enclosure is already powered off. Return to the on-screen panel that sent you here and continue with the replacement process.
  2. Pull the CEC enclosure control panel out to the service position. See Figure 2.
    1. Press the blue release tab to the left and pull the control panel out to the service position.
      Figure 2. Removing the control panel
      Removing the control panel
  3. Attempt to power off the SF managed system (CEC enclosure) using the CEC enclosure control panel. Perform the following steps. Refer to Figure 3.
    Note: If the CEC enclosure control panel is inoperative, contact your next level of support.
    1. Press the Increment button until 02 is displayed on the display.
    2. Press Enter. Display will show:
      Panel displays A<
    3. Press Enter. Display will show:
      Panel displays N<
    4. Press the Increment button. Display will show:
      Panel displays M<
    5. Press Enter. Display will show:
      Panel displays V<
    6. Press Enter. Display will show:
      Panel displays P<
    7. Press Enter. Display will show 02 only.
    8. Press the Power push button and hold it until you see the power down sequence start.
    9. Wait until the CEC enclosure has powered down (Power On light will be flashing).
    10. Reset the SF managed system (CEC enclosure) to Normal mode. Repeat steps a through d. The display should now show:
      Panel displays N<
    11. Press Enter three times. Display will now show 02 only.
    12. Continue with step 4.
    Figure 3. CEC enclosure control panel assembly (Model 961)
    CEC enclosure control panel assembly
    • H: Decrement button
    • I: Enter button
    • J: Increment button
  4. The CEC enclosure is now powered off. Return to the on-screen panel that sent you here and continue with the replacement process.