Lenovo ThinkServer RD340 (English) User Guide - Page 33

NIC 1 status LED, System error LED, Amber, Front USB connector 1

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3 NIC 1 status LED 4 NIC 2 status LED The two NIC status LEDs indicate the LAN status for the Ethernet connector 1 and Ethernet connector 2 on the rear panel of the server. NIC status LED On Off Blinking Color Green None Green Description The server is connected to a LAN. The server is disconnected from a LAN. The LAN is connected and active. 5 System error LED The system error LED helps you to determine if there are any system errors. • Off: The server is off or the server is on and working correctly. • Amber: The server has potential system errors. Check the information in the following table for potential system errors and corresponding solutions. Potential system error (system error LED: amber) The temperature of the server reached the non-critical temperature threshold. The voltage of the server reached the non-critical voltage threshold. A fan is running at low speed. A hot-swap fan has been removed. The power supply has a critical error. A power cord has been disconnected or a redundant power supply has been removed. The system is overheated. Solution Check the BMC for errors and check the system fans. Replace the system board. Note: This action must be performed only by Lenovo service personnel. See Chapter 8 "Getting information, help, and service" on page 183. Check the system fans. 1. Ensure that the system fans are connected securely to the system board. 2. Reinstall the removed fan or install a new fan to replace the removed fan. Check the BMC for detailed information. 1. Ensure that the power supplies are installed securely. 2. Ensure that the power cords are connected securely to the power supplies. 3. Install a new power supply to replace the removed one. Check the BMC for errors and then check the system fans. 6 Front USB connector 1 7 Front USB connector 2 Used to attach a USB-compatible device, such as a USB keyboard, mouse, scanner, or printer. If you have more than six USB devices, you can purchase a USB hub, which you can use to connect additional USB devices. Chapter 3. Product overview 21

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3
NIC 1 status LED
4
NIC 2 status LED
The two NIC status LEDs indicate the LAN status for the Ethernet connector 1 and Ethernet connector 2
on the rear panel of the server.
NIC status LED
Color
Description
On
Green
The server is connected to a LAN.
Off
None
TheserverisdisconnectedfromaLAN.
Blinking
Green
The LAN is connected and active.
5
System error LED
ThesystemerrorLEDhelpsyoutodetermineifthereareanysystemerrors.
•
Off
: The server is off or the server is on and working correctly.
•
Amber
: The server has potential system errors. Check the information in the following table for potential
system errors and corresponding solutions.
Potential system error (system error LED: amber)
Solution
The temperature of the server reached the non-critical
temperature threshold.
ChecktheBMCforerrorsandcheckthesystemfans.
Thevoltageoftheserverreachedthenon-criticalvoltage
threshold.
Replacethesystemboard.
Note:
This action must be performed only by Lenovo
service personnel. See Chapter 8 “Getting information,
help, and service” on page 183.
A fan is running at low speed.
Check the system fans.
A hot-swap fan has been removed.
1. Ensure that the system fans are connected securely
to the system board.
2. Reinstall the removed fan or install a new fan to
replace the removed fan.
The power supply has a critical error.
ChecktheBMCfordetailedinformation.
A power cord has been disconnected or a redundant
power supply has been removed.
1.Ensurethatthepowersuppliesareinstalledsecurely.
2. Ensure that the power cords are connected securely
to the power supplies.
3. Install a new power supply to replace the removed
one.
The system is overheated.
Check the BMC for errors and then check the system
fans.
6
Front USB connector 1
7
Front USB connector 2
Used to attach a USB-compatible device, such as a USB keyboard, mouse, scanner, or printer. If you
havemorethansixUSBdevices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional
USB devices.
Chapter 3
.
Product overview
21