After a specified number of consecutive attempts (automatic or manual), the server reverts to the default
UEFI configuration and starts System Setup so that you can make the necessary corrections to the
configuration and restart the server. If the server is unable to successfully complete POST with the default
configuration, there might be a problem with the system board. You can specify the number of consecutive
restart attempts in System Setup. Click System Settings ➙ Recovery ➙ POST Attempts ➙ POST
Attempts Limit. Available options are 3, 6, 9, and 255.
Voltage planar fault is displayed in the event log
Complete the following steps until the problem is solved.
1. Revert the system to the minimum configuration. See “Specifications” on page 1 for the minimally
required number of processors and DIMMs.
2. Restart the system.
• If the system restarts, add each of the removed items one at a time and restart the system each time
until the error occurs. Replace the item for which the error occurs.
• If the system does not restart, suspect the system board.
Unusual smell
Complete the following steps until the problem is solved.
1. An unusual smell might be coming from newly installed equipment.
2. If the problem remains, contact Lenovo Support.
Server seems to be running hot
Complete the following steps until the problem is solved.
Multiple server or chassis:
1. Make sure that the room temperature is within the specified range (see “Specifications” on page 1).
2. Make sure that the fans are installed correctly.
3. Update the UEFI and XCC firmware to the latest versions.
4. Make sure that the fillers in the server are installed correctly (see Maintenance Manual for detailed
installation procedures).
5. Use the IPMI command to ramp up the fan speed to the full fan speed to see whether the issue can be
resolved.
Note: The IPMI raw command should only be used by trained technician and the each system has its
own specific PMI raw command.
6. Check the management processor event log for rising temperature events. If there are no events, the
server is running within normal operating temperatures. Note that you can expect some variation in
temperature.
Cracked parts or cracked chassis
Contact Lenovo Support.
Software problems
Use this information to solve software problems.
1. To determine whether the problem is caused by the software, make sure that:
• The server has the minimum memory that is needed to use the software. For memory requirements,
see the information that comes with the software.
Chapter 5. Problem determination 361
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