Lenovo System x3650 M5 Installation And Service Manual page 112

• 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 H error has been
recorded in the system event
log.
The Pwr rail I error has been
recorded in the system event
log.
100
Lenovo System x3650 M5 Installation and Service Guide
http://www.lenovo.com/support
Action
7. Reinstall the Microprocessor 1; then, restarting the server. If the Pwr rail G error
has been recorded in the system event log again, the Processor that you just
reinstalled is defective. Replace the defective Processor.
• (Trained technician only) Microprocessor 1 (See "Removing a
microprocessor and heat sink" on page 284 and "Replacing a
microprocessor and heat sink" on page 289).
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail H error has been recorded in
the system event log:
• Hard disk drives at backplane assembly 3
• Hard disk drive backplane assembly 3
• PCIe Solid state drives
• PCIe Solid state drive backplane assembly
3. Restart the server. If the Pwr rail H 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 H error has been recorded in the system event log
again, the component that you just reinstalled is defective. Replace the
defective component.
• Hard disk drive backplane assembly 3
• Hard disk drives at backplane assembly 3
• PCIe Solid state drive backplane assembly
• PCIe Solid state drives
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail I error has been recorded in
the system event log:
• Hard disk drives at backplane assembly 1 and/or backplane assembly 2
• Hard disk drive backplane assembly 1 and/or backplane assembly 2
3. Restart the server. If the Pwr rail I 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 I error has been recorded in the system event log again,
the component that you just reinstalled is defective. Replace the defective
component.
• Hard disk drive backplane assembly 1 and/or backplane assembly 2
• Hard disk drives at backplane assembly 1 and/or backplane assembly 2
to check for technical information, hints, tips,