IBM x iDataPlex dx340 Series Problem Determination And Service Manual page 69

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
Fan 1 Fault
Fan 2 Fault
Fan 3 Fault
Fan 4 Fault
PSU Status
PSU Over Spec
PSU Over Temp
SEL Fullness
VTT
Sensor
number
(Hex) Action
90
1. Check the connection to the fan assembly.
2. Reseat the fan.
3. Replace the fan.
91
1. Check the connection to the fan assembly.
2. Reseat the fan.
3. Replace the fan.
92
1. Check the connection to the fan assembly.
2. Reseat the fan.
3. Replace the fan.
93
1. Check the connection to the fan assembly.
2. Reseat the fan.
3. Replace the fan.
94 This power supply sensor can report a loss of ac power or a power
supply failure.
1. If a power supply failure is reported, replace the power supply.
2. If ac loss is reported, check that the system may have been
unpluged or lost ac input.
95 This sensor reports that the power supply output load has been
exceeded and usually occurs if there is a short circuit in the
system.
1. Unplug the hard disk drives to isolate a short circuit to the
system-board tray.
2. (Trained service technician only) Check under the system
board for a short circuit to the chassis ground.
3. (Trained service technician only) Replace the system-board
tray.
4. (Trained service technician only) Replace the power-supply
paddle card.
96
1. Check the operation of the power-supply fan.
2. Check the server for proper cooling.
3. Make sure that the server is not in an environment that
exceeds ambient air specifications.
B6 Clear the BMC log (see "Using the BIOS configuration utility
program" on page 156).
E1
1. Check BMC log for a 5 V failure (Sensor 37h) and follow the
suggested actions.
2. (Trained service technician only) If the problem remains,
replace the system board.
53
Chapter 2. Diagnostics