HP ProLiant ML30 Gen10 Plus Maintenance And Service Manual page 50

WARNING: To reduce the risk of personal injury from hot surfaces, allow the power supply or power supply blank to WARNING:
cool before touching it.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated CAUTION:
with either a component or a blank.
Prerequisites Prerequisites
Before removing a power supply option, review the Power supply warnings and cautions .
Procedure Procedure
1. If the server is using a single power supply, remove all power from the server:
a. Back up all server data.
b. Power down the server.
c. Disconnect the power cord from the power supply.
2. Remove the power supply:
a. Release the power cord from the strain relief strap.
b. Disconnect the power cord from the power supply.
HPE ProLiant ML30 Gen10 Plus Server Maintenance and Service Guide 50