Replacing The Erm - HP R5500 User Manual

Switch the battery circuit breaker for the UPS to the Off (down) position.
4.
Unplug the UPS power cord.
5.
Disconnect the communications cable from the option card.
6.
Disconnect the ground bonding cable.
7.
Disconnect the REPO port.
8.
Unplug the load devices.
9.
Unplug all connected extension bars and PDUs.
10.
Unplug the ERM connected to the UPS.
11.
Remove the UPS front bezel
12.
Remove the UPS battery bracket
13.
Remove the UPS battery modules.
14.
Remove the screws securing the UPS to the rack.
15.
Remove the UPS from the rack.
16.
To replace the component, reverse the removal procedure.

Replacing the ERM

To remove the ERM:
Switch the circuit breaker for any attached ERMs to the Off (down) position.
1.
Unplug the ERM from the back of the UPS.
2.
Unplug the ERM from a second connected ERM.
3.
Remove the front bezel
4.
replaced.
Remove the screws securing the ERM to the rack.
5.
Remove the ERM from the rack.
6.
To replace the component, reverse the removal procedure.
("Removing the UPS front
("Removing the UPS battery
("Removing the ERM front
bezel" on page 31).
bracket" on page 16).
bezel" on page 32) on the ERM that is being
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