Lenovo ThinkSystem ST550 7X09, Maintenance Manual

Page: 203 / 220

1. If you are using the dual-port network adapter and the server is connected to the network using Ethernet
5 connector, check the system-error log or IMM2 system event log (see “Event logs” on page 181),
make sure:
a. The room temperature is not too high (see “Specifications” on page 3).
b. The air vents are not blocked.
c. The air baffle is installed securely.
2. Reseat the dual-port network adapter.
3. Turn off the server and disconnect it from the power source; then, wait 10 seconds before restarting the
server.
4. If the problem still remains, replace the dual-port network adapter.
Could not log in using LDAP account with SSL enabled
Complete the following steps until the problem is resolved:
1. Make sure that the license key is valid.
2. Generate a new license key and log in again.
Observable problems
Use this information to solve observable problems.
• “The server immediately displays the POST Event Viewer when it is turned on” on page 195
• “Server is unresponsive (POST is complete and operating system is running)” on page 195
• “Server is unresponsive (cannot press F1 to start System Setup)” on page 196
• “Voltage planar fault is displayed in the event log” on page 196
• “Unusual smell” on page 197
• “Server seems to be running hot” on page 197
• “Cracked parts or cracked chassis” on page 197
The server immediately displays the POST Event Viewer when it is turned on
Complete the following steps until the problem is solved.
1. Correct any errors that are indicated by the light path diagnostics LEDs.
2. Make sure that the server supports all the processors and that the processors match in speed and
cache size.
You can view processor details from system setup.
To determine if the processor is supported for the server, see http://www.lenovo.com/us/en/serverproven/
.
3. (Trained technician only) Make sure that processor 1 is seated correctly.
4. (Trained technician only) Remove processor 2 and restart the server.
5. Replace the following components one at a time, in the order shown, restarting the server each time:
a. (Trained technician only) Processor
b. (Trained technician only) System board
Server is unresponsive (POST is complete and operating system is running)
Complete the following steps until the problem is solved.
• If you are in the same location as the compute node, complete the following steps:
Chapter 4
.
Problem determination
195