Lenovo System x3650 M4 HD Installation And Service Manual page 164

• 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 Lenovo support website at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Symptom
The system-error LED on the
light path diagnostics panel
is lit and the Pwr rail D error
has been recorded in the IMM
event log.
The system-error LED on the
light path diagnostics panel
is lit and the Pwr rail E error
has been recorded in the IMM
event log.
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Lenovo System x3650 M4 HD Installation and Service Guide
Action
228) or HDD/ServerRAID-H1110 (if they are present) installed in the rear two
hard-disk-drive kit (see "Removing a hot-swap hard disk drive" on page 210
and "Replacing a hot-swap drive" on page 211).
5. Follow actions in "Solving power problems" on page 157, if the system-error
LED on the light path diagnostics panel is still lit.
6. Replace the power supply if the system-error LED on the operator information
panel is still lit.
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail D error has been recorded
in the IMM event log:
• Dual-port network adapter (if one is present)
• Fan 2
• DIMMs 7 through 12
3. Restart the server. If the Pwr rail D error has been recorded in the IMM event log
again, (trained technician only) replace the system board (see "Removing the
system board" on page 296 and "Replacing the system board" on page 298).
4. Reinstall the components one at a time, in the order shown, restarting the
server each time. If the Pwr rail D error has been recorded in the IMM event
log again, the component that you just reinstalled is defective. Replace the
defective component.
• DIMMs 7 through 12 (see "Removing a memory module" on page 214 and
"Installing a memory module" on page 43).
• Fan 2 (see "Removing a hot-swap fan" on page 241 and "Replacing a
hot-swap fan" on page 242).
• Dual-port network adapter (if one is present)
5. Follow actions in "Solving power problems" on page 157, if the system-error
LED on the light path diagnostics panel is still lit.
6. Replace the power supply if the system-error LED on the operator information
panel is still lit.
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail E error has been recorded
in the IMM event log:
• Hard disk drives
• DIMMs 13 through 18
3. Restart the server. If the Pwr rail E error has been recorded in the IMM event log
again, (trained technician only) replace the system board (see "Removing the
system board" on page 296 and "Replacing the system board" on page 298).
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 IMM event
log again, the component that you just reinstalled is defective. Replace the
defective component.
• DIMMs 13 through 18 (see "Removing a memory module" on page 214 and
"Installing a memory module" on page 43).