Step 1. Locate and move the NVMEM battery from your impaired controller module to the replacement
controller module.
Squeeze the clip on the face of the battery plug.
Unplug the battery cable from the socket.
Grasp the battery and press the blue locking tab marked PUSH.
Lift the battery out of the holder and controller module.
a. Locate the battery plug and squeeze the clip on the face of the battery plug to release the plug
from the socket.
b. Grasp the battery and press the blue locking tab marked PUSH, and then lift the battery out of
the holder and controller module.
c. Locate the corresponding NV battery holder on the replacement controller module and align
the NV battery to the battery holder.
d. Insert the NV battery plug into the socket.
e. Slide the battery pack down along the sheet metal side wall until the support tabs on the side
wall hook into the slots on the battery pack, and the battery pack latch engages and clicks into
the opening on the side wall.
f. Press firmly down on the battery pack to make sure that it is locked into place.
Installing the controller module
After all of the components have been moved from the impaired controller module to the replacement
controller module, you must install the replacement controller module into the chassis, and then boot it to
Maintenance mode.
Chapter 4. Hardware replacement procedures 37
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