HP 600 HP StorageWorks 600 Modular Disk System Maintenance and Service Guide - Page 44

Power button/UID board

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7. Disconnect the signal cables, remove the four T-15 Torx screws securing the dual 7-segment display board to the power block, and then remove the 7-segment display board. To replace the component, reverse the removal procedure. Power button/UID board To remove the component: 1. Power down the MDS600 ("Power down" on page 25). 2. Disconnect all cables. 3. Remove all power supplies ("Power supply" on page 34). 4. Remove the fans ("Fan" on page 31). 5. Remove the I/O modules ("Hot-plug I/O module" on page 32). 6. Remove the power block ("Power block" on page 40). Removal and replacement procedures 44

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Removal and replacement procedures
44
7.
Disconnect the signal cables, remove the four T-15 Torx screws securing the dual 7-segment display
board to the power block, and then remove the 7-segment display board.
To replace the component, reverse the removal procedure.
Power button/UID board
To remove the component:
1.
Power down the MDS600 ("
Power down
" on page
25
).
2.
Disconnect all cables.
3.
Remove all power supplies ("
Power supply
" on page
34
).
4.
Remove the fans ("
Fan
" on page
31
).
5.
Remove the I/O modules ("
Hot-plug I/O module
" on page
32
).
6.
Remove the power block ("
Power block
" on page
40
).