8
LEDs and buttons
Figure 4 Front panel LEDs and buttons
Table 3 LEDs and buttons on the front panel
Power
and system power LED
• Steady green—The system has started.
• Flashing green (1 Hz)—The system is starting.
• Steady amber—The system is in standby state.
• Off—No power is present. Possible reasons:
No power source is connected.
No power supplies are present.
The installed power supplies are faulty.
The system power cords are not connected correctly.
OCP 3.0
Ethernet port LED
• Steady green—A link is present on a port of an OCP 3.0 network
adapter.
• Flashing green (1 Hz)—A port on an OCP 3.0 network adapter is
receiving or sending data.
•
—No link is present on any port of either OCP 3.0 network adapter.
Health LED
• Steady green—The system is operating correctly or a minor alarm is
present.
• Flashing green (4 Hz)—HDM is initializing.
• Flashing amber (1 Hz)—A major alarm is present.
• Flashing red (1 Hz)—A critical alarm is present.
If a system alarm is present, log in to HDM to obtain more information about
the system running status.
UID button LED
• Steady blue—UID LED is activated. The UID LED can be activated by
using the following methods:
Press the UID button LED.
Activate the UID LED from HDM.
• Flashing blue:
1 Hz—
The firmware is being upgraded or the system is being
managed from HDM. Do not power off the server.
4 Hz—HDM is restarting. To restart HDM, press the UID button
LED for eight seconds.
• Off—UID LED is not activated.
Security bezel light
The security bezel provides hardened security and uses effect light to visualize operation and health
status to help inspection and fault location. The default effect light is as shown in Figure 5.
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