Removing And Replacing The Power Distribution Board - HP StoreOnce 3100 Maintenance And Service Manual

8. Insert the new fan control card and slide it sideways to engage it with the retaining pins.
9. Tighten the captive thumbscrew.
10. Attach the fan control card cable.
11. Install the enclosure cover and press the hood latch down to engage the latch.
12. Install the enclosure in the rack.
13. Tighten the front retaining screws.
CAUTION:
The front retaining screws must be attached at all times when the enclosure is racked.
14. Install the fan modules.
15. Reconnect all cables to the enclosure, including the power cables.
16. When the enclosure has completed its power-on sequence, check all enclosure status LEDs to ensure
that the enclosure is operating properly.

Removing and replacing the power distribution board

This procedure must be performed only after HPE Support determines that the enclosure is the source of the
problem and recommends that the power distribution board be replaced
CAUTION:
This procedure requires removing the enclosure from the rack. Before removing the enclosure, power
down the HPE StoreOnce 5100 System.
Procedure
1. Disconnect all cables from the enclosure, including the power cables.
2. Remove the power supplies.
3. Remove the rear hold down bracket.
4. Remove the enclosure from the rack.
5. Pull the hood latch up and back (1 and 2), and lift the enclosure cover up and remove it (3).
1
6. Loosen the captive thumbscrew (1) on the air guide.
3
2
Removing and replacing the power distribution board 71