Lenovo System x3650 M5 Installation And Service Manual page 110

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
• Go to the support website at
and new device drivers or to submit a request for information.
Symptom
The Pwr rail F error has been
recorded in the system event
log.
The Pwr rail G error has been
recorded in the system event
log.
98
Lenovo System x3650 M5 Installation and Service Guide
http://www.lenovo.com/support
Action
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail F error has been recorded in
the system event log:
• Hard disk drives at backplane assembly 3
• Hard disk drive backplane assembly 3
• Rear Hard disk drives
• Rear two Hard-disk-drive kit
• Optional adapter (if one is present) installed in riser-card assembly 1
• Riser-card assembly 1
• PCIe Solid state drives
• PCIe Solid state drive backplane assembly
• USB devices
• SD adapter
• LCD monitor connected to rear VGA port (if one is present)
3. Restart the server. If the Pwr rail F error has been recorded in the system event
log again, (trained technician only) replace the system board (see "Removing
the system board" on page 299 and "Replacing the system board" on page
302).
4. Reinstall the components one at a time, in the order shown, restarting the server
each time. If the Pwr rail F error has been recorded in the system event log
again, the component that you just reinstalled is defective. Replace the
defective component.
• LCD monitor connected to rear VGA port (if one is present)
• SD adapter
• USB devices
• PCIe Solid state drive backplane assembly
• PCIe Solid state drives
• Riser-card assembly 1 (See "Removing a riser-card assembly" on page 198
and "Replacing a riser-card assembly" on page 199.
• Optional adapter (if one is present) installed in riser-card assembly 1 (See
"Removing an adapter" on page 203 and "Replacing an adapter" on page
207.
• Rear two Hard-disk-drive kit
• Rear Hard disk drives
• Hard disk drive backplane assembly 3
• Hard disk drives at backplane assembly 3
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail G error has been recorded in
the system event log:
to check for technical information, hints, tips,