HP 60 HP StorageWorks 60 Modular Smart Array Enclosure Maintenance and Service - Page 26

Power on/off board

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4. Remove the plastic housing from the board (3). To replace the components, reverse the removal procedure. NOTE: For proper LED operation, when installing the new front UID board be sure that the component is properly lined up. Verifying proper operation After replacing the component, check the status LED. Power on/off board Verifying component failure Before replacing the component, verify component failure using the following methods: • Check the heartbeat LED and fault LED status ("Front panel LEDs and buttons" on page 34). • Check the power supply LED status ("Rear panel LEDs and buttons" on page 35). • Check the host log for errors. To remove the components: 1. Power down the storage enclosure (on page 19). 2. Remove the storage enclosure (on page 19). 3. Remove the access panel ("Access panel" on page 20). 4. Remove the front UID board ("Front UID board" on page 25). 5. Remove power supply 1 ("Hot-plug power supply" on page 22). 6. Squeeze the clips on top and bottom of the plastic cover (1), and then remove it by pulling out through the chassis opening (2). 7. Disconnect the cable (3). 8. Loosen the thumbscrew on the power on/off board (4). Removal and replacement procedures 26

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Removal and replacement procedures
26
4.
Remove the plastic housing from the board (3).
To replace the components, reverse the removal procedure.
NOTE:
For proper LED operation, when installing the new front UID board be sure that the component is
properly lined up.
Verifying proper operation
After replacing the component, check the status LED.
Power on/off board
Verifying component failure
Before replacing the component, verify component failure using the following methods:
•
Check the heartbeat LED and fault LED status ("
Front panel LEDs and buttons
" on page
34
).
•
Check the power supply LED status ("
Rear panel LEDs and buttons
" on page
35
).
•
Check the host log for errors.
To remove the components:
1.
Power down the storage enclosure (on page
19
).
2.
Remove the storage enclosure (on page
19
).
3.
Remove the access panel ("
Access panel
" on page
20
).
4.
Remove the front UID board ("
Front UID board
" on page
25
).
5.
Remove power supply 1 ("
Hot-plug power supply
" on page
22
).
6.
Squeeze the clips on top and bottom of the plastic cover (1), and then remove it by pulling out
through the chassis opening (2).
7.
Disconnect the cable (3).
8.
Loosen the thumbscrew on the power on/off board (4).