Lenovo THINKSERVER 3822 Hardware Maintenance Manual page 55

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 8, "Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823," on page 237 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Sensor Pwr Rail A Fault has
transitioned to non-recoverable.
Sensor Pwr Rail B Fault has
transitioned to non-recoverable.
Error A sensor has changed to
Nonrecoverable state.
Error A sensor has changed to
Nonrecoverable state.
1. Turn off the server and
disconnect it from power.
2. (Trained service technician
only) Remove the PCI
adapter and microprocessor
1. Reinstall the
microprocessor in socket 1
and restart the server.
3. Restart the server.
4. Reinstall each device, one at
a time, starting the server
each time to isolate the failing
device.
5. Replace the failing device.
6. (Trained service technician
only) Replace the system
board.
1. Turn off the server and
disconnect it from power.
2. (Trained service technician
only) Remove the PCI
adapter and microprocessor
2.
3. Restart the server.
4. Reinstall each device, one at
a time, starting the server
each time to isolate the failing
device.
5. Replace the failing device.
6. (Trained service technician
only) Replace the system
board.
Chapter 5. Diagnostics
47