Hard Disk Drives At Backplane Assembly 1 And/Or Backplane Assembly; Hard Disk Drive Backplane Assembly 1 And/Or Backplane Assembly; Restart The Server. If The Pwr Rail E Error Has Been Recorded In The System Event; Log Again, (Trained Technician Only) Replace The System Board (See "Removing - Lenovo System x3650 M5 Installation And Service Manual

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
v Go to the support website at http://support.lenovo.com/ to check for technical information, hints, tips, 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.
The Pwr rail J error has been
recorded in the system event
log.
Action
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:
v Hard disk drives at backplane assembly 3
v Hard disk drive backplane assembly 3
v PCIe Solid state drives
v 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 288 and "Replacing the system board"
on page 291).

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.

v Hard disk drive backplane assembly 3
v Hard disk drives at backplane assembly 3
v PCIe Solid state drive backplane assembly
v 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:
v Hard disk drives at backplane assembly 1 and/or backplane assembly 2
v 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 288 and "Replacing the system board" on page

291).
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.
v Hard disk drive backplane assembly 1 and/or backplane assembly 2
v Hard disk drives at backplane assembly 1 and/or backplane assembly 2
1. Disconnect the server power cords.
2. Remove Fans 1 through 6 if Pwr rail J error has been recorded in the system
event log.
3. Restart the server. If the Pwr rail J error has been recorded in the system event
log again, (trained technician only) replace the system board (see "Removing
the system board" on page 288 and "Replacing the system board" on page
291).
4. Reinstall the Fans one at a time, restarting the server each time. If the Pwr rail
J error has been recorded in the system event log again, the Fan that you just
reinstalled is defective. Replace the defective component.
Chapter 3. Troubleshooting
103