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11.3 Before Maintenance on the XSCFU


11.3 Before Maintenance on the XSCFU
When replacing the XSCFU with the server in the hot state, perform one of the maintenance procedures listed below.

[When replacing the XSCFU with the server in the hot state]




[When replacing the XSCFU with the server in the cold state]




Note that, when replacing the XSCFU with the server in the cold state, you cannot replace the XSCFU and PSUBP at the same time. That would cause the system to malfunction.

Caution - Before you handle any unit, be sure to wear a wrist strap to ground any static electricity. If you perform this procedure without a wrist strap, individual components or the overall system may be seriously damaged. For details, see "1.5 Precautions on Static Electricity."