Lenovo ThinkSystem SR550 Setup Manual

Also see for ThinkSystem SR550: Manual Manual Product guide Quick start guide Maintenance manual

6 System error LEDStatus Color Description ActionOn Yellow An error has been detected on the server.Causes might include but not limited to thefollowing errors:• The temperature of the server reachedthe non-critical temperature threshold.• The voltage of the server reached thenon-critical voltage threshold.• A fan has been detected to be running atlow speed.• A fan has been removed.• The power supply has a critical error.• The power supply is not connected tothe power.Check the event log to determine the exactcause of the error.For information about troubleshooting, seeChapter 5 “Resolving installation issues”on page 103.Off None The server is off or the server is on and isworking correctly.None.Rear viewThe rear of the server provides access to several components, including the power supplies, PCIe adapters,and Ethernet connectors.The following illustration shows the rear view of the server.Figure 11. Rear view of the serverTable 7. Components on the rear of the serverCallout Callout1 PCIe slot 1 2 PCIe slot 23 PCIe slot 3 4 PCIe slot 45 PCIe slot 5 6 PCIe slot 67 Power supply 2 (available on some models) 8 Power supply 19 NMI button 10 USB 3.0 connector11 USB 3.0 connector 12 VGA connector13 Ethernet connector 2 (RJ-45) 14 Ethernet connector 1 (RJ-45)22 ThinkSystem SR550 Setup Guide