BX900 S2 Upgrade and Maintenance Manual 101
Fan module and fan unit
7.2 Replacing a fan unit
PSUs and fan modules contain a fan unit on each of their front and rear sides.
The mounting positions of the fan units are the same for PSUs and fan modules.
Figure 17: Fan units in a PSU
V CAUTION!
Do not install fan units of high efficiency PSUs in standard PSUs or in fan
modules and otherwise! Fan units of high efficiency PSUs are not
compatible with fan units of standard PSUs and fan modules.
7.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the fan module: tool-less
Customer Replaceable Units (CRU)
average hardware task duration: 5 minutes
average software task duration: 10 minutes
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