Lenovo ThinkServer TD200x Hardware Maintenance Manual page 47

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by
a trained service technician.
A Uncorrectable Bus Error has
occurred on system %1.(%1 =
CIM_ComputerSystem.ElementName)
A Uncorrectable Bus Error has
occurred on system %1.(%1 =
CIM_ComputerSystem.ElementName)
Error A bus uncorrectable error
has occurred.(Sensor =
Critical Int CPU)
Error A bus uncorrectable error
has occurred.(Sensor =
Critical Int DIM)
1. Check the system-event log.
2. Check the microprocessor
error LEDs.
3. Remove the failing
microprocessor from the
system board.
4. Check for a server firmware
update.
Important: Some cluster
solutions require specific
code levels or coordinated
code updates. If the device
is part of a cluster solution,
verify that the latest level of
code is supported for the
cluster solution before you
update the code.
5. Make sure that the two
microprocessors are
matching.
6. (Trained service technician
only) Replace the system
board.
1. Check the system-event log.
2. Check the DIMM error LEDs.
3. Remove the failing DIMM
from the system board.
4. Check for a server firmware
update.
Important: Some cluster
solutions require specific
code levels or coordinated
code updates. If the device
is part of a cluster solution,
verify that the latest level of
code is supported for the
cluster solution before you
update the code.
5. Make sure that the installed
DIMMs are supported and
configured correctly.
6. (Trained service technician
only) Replace the system
board.
.
Chapter 5 Diagnostics
39