Lenovo ThinkSystem SD550 V3 User Manual page 72

• Read "Installation Guidelines" on page 43
you work safely.
• If only one hot-swap power supply is installed in the chassis, the installed nodes must be turned off before
the power supply is to be removed.
Procedure
Step 1. Make preparations for this task.
a. Disconnect the power cord from the connector on the back of the power supply unit.
Step 2. Remove the power supply unit.
a. Press and hold on the release tab of the power supply unit.
b. Hold the handle and pull the power supply unit out of the slot.
Note: The color of the CRPS power supply unit release tab might be different from the
illustration.
Figure 22. Removal of a hot-swap PSU
After this task is completed
1. Install a replacement unit or filler (see
Important:
ThinkSystem SD550 V3 User Guide
62
and "Safety inspection checklist" on page 44
"Install a hot-swap power supply" on page
to make sure that
63) .