Lenovo ThinkSystem SR655 V3 User Manual page 235

– If the SUT system works normally, the issue maybe is caused by the processor board or system I/
O board.
– If the SUT system works abnormally, there might be a problem with the suspected device.
3. If all the suspected parts are isolated and the issue still remains unchanged, please run the affected
system to be minimum configuration for further detail issue isolation and add them back step by step.
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
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 first and then the system I/O 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 servers or chassis:
1. Make sure that the room temperature is within the specified range (see
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
procedures" on page 35
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.
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.
for detailed installation procedures).
"Specifications" on page 2
"Specifications" on page
Chapter 5 "Hardware replacement
Chapter 8
for the minimally
2).
.
Problem determination
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