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Maintenance 43
8.
Remove the UPS battery modules.
9. Remove the screws securing the UPS to the rack.
10. Remove the UPS from the rack.
To replace the component, reverse the removal procedure.
Replacing the ERM
To remove the ERM:
1. Disconnect all cabling.
2. Remove the front bezel ("Removing the ERM front bezel" on page 37) on the ERM that is being
replaced.
3. Remove the screws securing the ERM to the rack.
4. Remove the ERM from the rack.
To replace the component, reverse the removal procedure.
Updating the UPS firmware
To update the UPS firmware, see the HP website (http://www.hp.com/go/rackandpower).