HPE 3PAR StoreServ 8000 Service And Upgrade Manual page 43

4. Initiate a maintenance window to stop the flow of alerts to Hewlett Packard Enterprise.
a. From the Service Console interface, select Systems.
b. Select Actions > Set maintenance mode and then follow the instructions.
TIP: When you put the storage system in maintenance mode or edit the maintenance mode,
specify the duration in hours and a reason.
To edit the maintenance window, select Actions > Set maintenance mode and then click
the Edit icon next to the maintenance window.
5. Initiate Check Health on the storage system.
a. From the Service Console interface, select Systems.
b. Select Actions > Check health.
A check of the storage system runs to ensure that there are no additional issues.
CAUTION: If health issues are identified during the Check Health, resolve these issues before
continuing. Refer to the details in the Check Health results and review the documentation.
6. Review the information in the alert notification.
If notifications are enabled, information about the failed component is provided in the notification.
7. Locate the failed PCM.
8. Turn off the power switch on the DC PCM.
Some LEDs might remain illuminated after the PCM is powered off because PCMs use a common
power bus.
9. Only to be completed by a certified electrician provided by the customer: Disengage power to
the -48V DC PCM from the fuse/distribution panel and remove the power cable from the PCM.
The electrician must remove the power cable connections from the positive terminal ( ), negative
terminal ( ), and ground terminal ( . When the plastic cap over the terminal connections is
removed, it reveals the symbols for the terminals.
Removal
10. Remove the DC PCM.
a. With thumb and forefinger, grasp and squeeze the PCM latch to release the handle.
b. Rotate the PCM release handle and slide the PCM out of the enclosure, and then place the PCM
on the ESD mat with the battery compartment facing up.
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