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 3 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 processor 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 compute nodes or chassis:
1. Make sure that the room temperature is within the specified range (see
“Specifications” on page 3).
2. Make sure that the fans are installed correctly.
3. Update the UEFI and XCC to the latest versions.
4. Make sure that the fillers in the server are installed correctly (see
Chapter 5 “Hardware replacement
procedures” on page 55
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 each system has its own
specific IPMI raw command.
6. Check the management processor event log for rising temperature events. If there are no events, the
compute node is running within normal operating temperatures. Note that you can expect some
variation in temperature.
Cannot enter legacy mode after installing a new adapter
Complete the following procedure to solve the problem.
1. Go to UEFI Setup ➙ Devices and I/O Ports ➙ Set Option ROM Execution Order.
2. Move the RAID adapter with operation system installed to the top of the list.
3. Select Save.
4. Reboot the system and auto boot to operation system.
Cracked parts or cracked chassis
Contact Lenovo Support.
Optional-device problems
Use this information to solve problems related to optional devices.
•
“External USB device is not recognized” on page 488
Chapter 8. Problem determination 487
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