Power Problems; Network Problems; Observable Problems - Lenovo ThinkSystem SR630 Maintenance Manual

Power problems

Use this information to resolve issues related to power.
System error LED is on and event log "Power supply has lost input" is displayed
To resolve the problem, ensure that:
1. The power supply is properly connected to a power cord.
2. The power cord is connected to a properly grounded electrical outlet for the server.
3. Make sure that the power supply AC source is stable within the supported range.
4. Swap the power supply to see if the issue follows the power supply, if it follows the power supply, then
replace the failing one.
5. Review the event log and see how the problem it is to follow the event log actions to resolved the
problems.

Network problems

Use this information to resolve issues related to networking.
• "Cannot wake server using Wake on LAN" on page 247
• "Could not log in using LDAP account with SSL enabled" on page 247
Cannot wake server using Wake on LAN
Complete the following steps until the problem is resolved:
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 227),
make sure:
a. Fan 3 is running in standby mode, if Emulex dual port 10GBase-T embedded adapter is installed.
b. The room temperature is not too high (see "Specifications" on page 2).
c. The air vents are not blocked.
d. 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.
• "Server hangs during the UEFI boot process" on page 248
• "The server immediately displays the POST Event Viewer when it is turned on" on page 248
• "Server is unresponsive (POST is complete and operating system is running)" on page 248
• "Server is unresponsive (cannot press F1 to start System Setup)" on page 249
.
Chapter 5 Problem determination
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