Lenovo ThinkAgile HX1321 Series User Manual page 27

Figure 14. Rear view LEDs
Table 7. LEDs on the rear view of the server
1
Ethernet link LED
3
Power input LED
5
Power supply error LED
7
System ID LED
1
Ethernet link LED
2 Ethernet activity LED
The XClarity Controller network connector has two status LEDs.
Ethernet status LED
1
Ethernet link LED
2
Ethernet activity LED
3 4 5
Power supply LEDs
Each hot-swap power supply has three status LEDs.
LED Description
3
Power input
• Green: The power supply is connected to the ac power source.
LED
• Off: The power supply is disconnected from the ac power source or a power problem occurs.
4
Power output
• Green: The server is on and the power supply is working normally.
LED
• Blinking green: The power supply is in the zero-output mode (standby). When the server
power load is low, one of the installed power supplies enters into the standby state while the
other one delivers the entire load. When the power load increases, the standby power supply
will switch to active state to provide sufficient power to the system.
To disable zero-output mode, start the Setup utility, go to System Settings ➙ Power ➙ Zero
Output and select Disable. If you disable the zero-out mode, both power supplies will be in
the active state.
• Off: The server is powered off, or the power supply is not working properly. If the server is
powered on but the LED is off, replace the power supply.
5
Power supply
• Yellow: The power supply has failed. To resolve the issue, replace the power supply.
error LED
• Off: The power supply is working normally.
Color Status
Green On
None Off
Green Blinking
None Off
2
Ethernet activity LED
4
Power output LED
6
System error LED
Description
Network link is established.
Network link is disconnected.
Network link is connected and active.
The server is disconnected from a LAN.
Chapter 2
. 23
Server components