HP Performance Optimized Datacenter 20c User Guide - North America

Life safety systems 17
For the location of EPO buttons, see "Life safety component identification (on page 9)."
The EPO system must be reset before you can power up and restart the HP POD 20c. To reset the EPO system:
1. Verify that the key control for the EPO mode is in the Armed position.
2. Press the white EPO Reset button.
If you triggered the EPO system manually, you must reset the EPO button that you pressed to the Active
position.
ECS EPO indicators
The ECS touchscreen and EPO indicators are located on the door to the control panel.
The touchscreen enables you to easily configure the environmental parameters, access data, and monitor
environmental, life safety, and access control conditions within the HP POD 20c.
The EPO indicators provide EPO status. The EPO key control and EPO reset button enable you to adjust the
EPO system mode.
Item Component Indicator Color Description
1
Power on indicator White Indicates the EPO power status
2
EPO shutdown indicator Red Indicates an EPO shutdown or alarm
situation
3
EPO armed indicator White Indicates that the EPO system is armed and
operational
4
EPO test mode indicator Yellow Indicates that the EPO system is operating
in test mode or that an EPO cover is open
5
EPO bypassed indicator Green Indicates that the EPO shut down
functionality is bypassed
6
EPO mode key control — Enables you to select the EPO mode.
For more information, see "EPO modes
(on
page 18)."
7
EPO reset button — Resets the EPO system when pressed
8
EPO horn — Sounds when an EPO event occurs.