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4.1.1
Replacing the PSU/cooling module
Replace the defective PSU/cooling module immediately, but only if you have the replacement.
WARNING! Although the system can still operate with a defective PSU/cooling module, it is not
recommended to use it for an extended period of time.
NOTE: For more information, contact your system vendor.
To replace the PSU:
1.
Shut down the system, turn off the PSU/cooling module, then unplug the power cord.
2.
Loosen the thumb screw that secures the extraction handle to the chassis.
3.
Pull down the extraction handle to dislodge the PSU/cooling module from the backplane
connectors, then gently pull the PSU/cooling module from the system. If the system is mounted to
the rackmount, carefully support its weight with the rack while removing the module.
4-2
Chapter 4: System maintenance
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