NetApp ASA C Series Install page 208

Note the polarity of the battery as you remove it from the holder. The battery is
marked with a plus sign and must be positioned in the holder correctly. A plus sign
near the holder tells you how the battery should be positioned.
c. Remove the replacement battery from the antistatic shipping bag.
d. Note the polarity of the RTC battery, and then insert it into the holder by tilting the battery at an
angle and pushing down.
4. Visually inspect the battery to make sure that it is completely installed into the holder and that the
polarity is correct.
5. Close the air duct.
== Step 4: Reinstall the controller module and setting time/date after RTC battery replacement
After you replace a component within the controller module, you must reinstall the controller module in the
system chassis, reset the time and date on the controller, and then boot it.
You can use the following animation, illustration, or the written steps to install the controller module in the
chassis.
Animation - Install the controller module
Controller module
Controller locking latches
1. If you have not already done so, close the air duct or controller module cover.
2. Align the end of the controller module with the opening in the chassis, and then gently push the
controller module halfway into the system.
Do not completely insert the controller module in the chassis until instructed to do so.
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