Replace Ac Power Supplies With Dc Power Supplies - HP HPE Alletra 2140 Hardware Manual

1 Power cord
2 Power supply handle
7. Connect the power cord to the power source.
Power is automatically restored to the PSU as soon as the cord is plugged in.

Replace AC Power Supplies with DC Power Supplies

Use this procedure to replace the AC power supply units (PSUs) on your HPE storage array with DC PSUs.
One PSU can adequately power the array while the other PSU is being replaced.
Note: During PSU replacement, the array will run properly while powered with AC and DC power sources at the same
time.
Before you begin
Time required:
Parts required:
Information required:
Tools required:
Support contact:
HPE recommends using the Maintenance Window functionality within the HPE InfoSight portal to inform HPE Support of
upcoming maintenance windows.
Refer to https://infosight.hpe.com/dashboards/nimble/wellness/maintenance-windows for more information.
You can disable automated support case generation during planned maintenance from the Manage Maintenance Windows
page. After a maintenance window is set, no further communication with HPE Support is required.
3
10 to 15 minutes
Replacement DC power supplies ordered from HPE
Case number
Array serial number
ESD (electrostatic discharge) strap or appropriate grounding device
7/16-inch (11 mm) torque wrench
Phillips screwdriver
See Support.
Documentation Feedback: doc-feedback-hpe-storage@hpe.com
Strain relief strap
Maintenance Procedures 95