BX900 S2
Upgrade and Maintenance Manual
99
7
Fan module and fan unit
This chapter provides information on how to replace a fan module and a fan
unit.
Safety notes
V
CAUTION!
Please refer to chapter
"Important information" on page 29
.
I
Whether and how many fan modules need to be installed depends on the
number of server blades installed and on the redundant power supply
requirements, see section
"Cooling requirements" on page 88
.
7.1
Replacing a fan module
7.1.1
Required tools
●
Preliminary and concluding steps: tool-less
●
Replacing the fan module: tool-less
7.1.2
Preliminary steps
Before replacing the fan module, perform the following steps:
Ê
If applicable, open the rack door as described in section
"Opening the rack
door" on page 48
.
Customer Replaceable Units (CRU)
average hardware task duration: 5 minutes
average software task duration: 10 minutes