4. Remove the cable management device from the controller module and set it aside.
5. Press down on both of the locking latches, and then rotate both latches downward at the same time.
The controller module moves slightly out of the chassis.
6. Slide the controller module out of the chassis.
Make sure that you support the bottom of the controller module as you slide it out of the chassis.
7. Place the controller module on a stable, flat surface.
Step 3: Replace the NVDIMM battery
To replace the NVDIMM battery, you must remove the failed battery from the controller
module and install the replacement battery into the controller module. See the FRU map
inside the controller module to locate the NVDIMM battery.
The NVDIMM LED blinks while destaging contents when you halt the system. After the destage is complete,
the LED turns off.
You can use the following animation, illustration, or the written steps to replace the NVDIMM battery.
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