IBM x iDataPlex dx340 Series Problem Determination And Service Manual page 67

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 3, "Parts listing," on page 59 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.
System event log message
DIMM_31 Amb. Temperature
CPU1 temperature
CPU2 temperature
MB temperature 1
MB temperature 2
Vcore1
Vcore2
3,3 Volts
5 Volts
Sensor
number
(Hex) Action
2D No action required.
31 No action is required for lower temperature alerts (for example,
Lower Critical).
For upper temperature alerts, complete the following steps:
1. Check all fans and the server for proper cooling.
2. (Trained service technician only) Check the heat sink for proper
installation.
3. (Trained service technician only) Reseat the microprocessor
and heat sink.
32 No action is required for lower temperature alerts (for example,
Lower Critical).
For upper temperature alerts, complete the following steps:
1. Check all fans and the server for proper cooling.
2. (Trained service technician only) Check the heat sink for proper
installation.
3. (Trained service technician only) Reseat the microprocessor
and heat sink.
33 No action required.
CA No action required.
34
1. (Trained service technician only) Reseat the microprocessor
and check to see if the error remains.
2. (Trained service technician only) Replace the system-board
tray.
3. (Trained service technician only) Replace the microprocessor.
35
1. (Trained service technician only) Reseat the microprocessor
and check to see if the error remains.
2. (Trained service technician only) Replace the system-board
tray.
3. (Trained service technician only) Replace the microprocessor.
36
1. Remove all PCI adapters and check to see if the error remains.
2. (Trained service technician only) Replace the system-board
tray.
3. (Trained service technician only) Replace the power-supply
paddle card.
37
1. (Trained service technician only) Replace the system-board
tray.
2. (Trained service technician only) Replace the power-supply
paddle card.
3. Check all hard disk drive backplanes.
51
Chapter 2. Diagnostics