
Chapter 5: Subsystem Maintenance and Upgrading
Replacing a Failed PSU Module
5-13
Figure 5-9: Remove the Cooling Module
Step 7. Reinstall the cooling module into the new PSU module: To do this,
align the cooling module with the lower level of the PSU bracket and
gently slide the cooling module in.
Step 8. Insert the new PSU module into the subsystem: Once the previously
removed cooling module has been installed, insert the new PSU
module into the subsystem. Make sure the extraction lever is in its
downright position so that the saddle notches on the lower edges of
the handle can lock on to the edge metal brackets along the chassis
inner walls. Push the PSU into the slot and pull the handle upwards to
secure the module.
Step 9. Reinsert the retention screw: If the PSU module is properly installed,
the back end of the module should be aligned with the enclosure’s rear
panel. To firmly secure the PSUs into place, reinsert the retention
screw.
Step 10. Reconnect the power cord and turn the power on: Plug the power
cord into the socket on the PSU module and turn the PSU module
power switch on.
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