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Removing and installing blower modules
The BladeCenter T unit comes with four hot-swap blowers for cooling redundancy.
The blowers are installed at the rear of the system. The blower speeds vary
depending on the ambient air temperature at the front of the BladeCenter T unit. If a
blower fails, the remaining blowers increase their speed to cool the BladeCenter T
unit and blade servers.
All flour blowers are required for redundant system operation. Power for all four
blowers is shared by all installed power modules. One failed blower creates a
nonredundant configuration.
Note: Each power module has cooling fans that are independent from the system
cooling.
Blower
Error LED
Power LED
Important: Replace a failed blower as soon as possible to restore cooling
redundancy.
Use the instructions in this section to remove or install a blower module at the rear
of the BladeCenter T unit.
Note: Blowers on the left side of the system are installed with the release lever
pointing upward, and blowers on the right side are installed with the release
lever facing downward.
54 BladeCenter T Type 8720 and 8730: Hardware Maintenance Manual and Troubleshooting Guide