NetApp ASA C Series Install page 172

The fan module moves a little bit away from the chassis.
5. Pull the fan module straight out from the chassis, making sure that you support it with your free hand
so that it does not swing out of the chassis.
The fan modules are short. Always support the bottom of the fan module with your free
hand so that it does not suddenly drop free from the chassis and injure you.
6. Set the fan module aside.
7. Insert the replacement fan module into the chassis by aligning it with the opening, and then sliding it
into the chassis.
8. Push firmly on the fan module cam handle so that it is seated all the way into the chassis.
The cam handle raises slightly when the fan module is completely seated.
9. Swing the cam handle up to its closed position, making sure that the cam handle release latch clicks
into the locked position.
The Attention LED should not be lit after the fan is seated and has spun up to operational speed.
10. Align the bezel with the ball studs, and then gently push the bezel onto the ball studs.
11. Return the failed part to NetApp, as described in the RMA instructions shipped with the kit. See the
Part Return & Replacements
= Replace the NVDIMM battery - ASA C400
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To replace the NVDIMM battery, you must remove the controller module, remove the
battery, replace the battery, and then reinstall the controller module.
All other components in the system must be functioning properly; if not, you must contact technical
support.
== Step 1: Shut down the impaired controller
You can shut down or take over the impaired controller using different procedures, depending on the
storage system hardware configuration.
170
page for further information.