RX900 S1 Maintenance Manual 57
Power supply
Figure 14: Indicators on the power supply unit
5.1.6 Completing the task
Ê Perform the following procedures to complete the task:
1. Close the rear door of the rack, see "Closing the rack door" on page 51
5.2 Replacing a hot-plug power supply unit
V CAUTION!
When replacing a non-defective hot-plug power supply unit in a non-
redundant configuration, the server must be switched off first.
5.2.1 Required tools
● Starting and completing the task:
– key for the rack doors (if applicable)
● Replacing the power supply unit: tool-less
Trained personnel
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