Lenovo System x3650 M5 Installation And Service Manual page 109

• 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 D error has been
recorded in the system event
log.
The Pwr rail E error has been
recorded in the system event
log.
http://www.lenovo.com/support
Action
1. Disconnect the server power cords.
2. Remove DIMMs 13 through 24 if Pwr rail D error has been recorded in the
system event log.
3. Restart the server. If the Pwr rail D 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 DIMM one at a time, restarting the server each time. If the Pwr rail
B error has been recorded in the system event log again, the DIMM that you just
reinstalled is defective. Replace the defective component.
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail E error has been recorded in
the system event log:
• Optional DVD drive (if one is installed)
• Hard disk drives at backplane assembly 1 and/or backplane assembly 2
• Hard disk drive backplane assembly 1 and/or backplane assembly 2
• LCD monitor connected to front VGA port (if one is present)
• Optional adapter (if one is present) installed in riser-card assembly 2
• Riser-card assembly 2
3. 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
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 E error has been recorded in the system event log
again, the component that you just reinstalled is defective. Replace the
defective component.
• Riser-card assembly 2 (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 2 (See
"Removing an adapter" on page 203 and "Replacing an adapter" on page
207).
• LCD monitor connected to front VGA port (if one is present)
• Hard disk drive backplane assembly 1 and/or backplane assembly 2
• Hard disk drives at backplane assembly 1 and/or backplane assembly 2
• Optional DVD drive, if one is present (see "Removing an optical drive" on
page 179 and "Replacing an optical drive" on page 180).
to check for technical information, hints, tips,
Chapter 3
. 97
Troubleshooting