How to Replace a 7x20 Power Supply
a.
Identify the faulted fan module by locating the corresponding Service
Required status indicator or by clicking the locator icon on the
Maintenance > Hardware screen of the BUI for the fan you want to replace.
b.
Lift the latch at the top of the fan module to unlock the fan module, and pull
the fan module out.
c.
Unlock and insert the 7420 fan module.
d.
Apply firm pressure to fully seat the fan module.
e.
Verify that the Fan OK status indicator is lit and that the fault status indicator
on the replaced fan module is dim.
5.
Verify that the Top Fan status indicator, the Service Required status indicators,
and the Locator status indicator/Locator button are dim.
6.
Push the release tabs on the side of each rail and slowly slide the storage
controller into the rack.
How to Replace a 7x20 Power Supply
Storage controllers are equipped with redundant hot-swappable power supplies. If a power
supply fails and you do not have a replacement, leave the failed power supply installed to
Servicing the Hardware 201
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