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Copyright © 2019, 2021, Hitachi, Ltd.
DKC910I
Hitachi Proprietary
[INST(RM)10-04-20]
Rev.1.1
INST(RM)10-04-20
2. Removing the Front Bezel
Remove the Front Bezel. (see
“
How to Attach/Remove the Front Bezel
”
.)
3. Checking the LEDs on Controller Boards in Controller Chassis to be removed
Check that the ALM LEDs (red) on all Controller Boards in the Controller Chassis to be removed light
up.
NOTE: The ALM LEDs (red) on the Controller Boards might not light up depending on
failure type.
When the ALM LEDs do not light up, be careful not to remove a wrong Controller
Board. Confirm the locations of the Controller Boards to be removed, and then go to
the next step.
Figure 10-2 Checking the ALM LEDs
Controller Board
ALM LED (red)
ALM LED (red)