IBM System x3350 Type 4192 Problem Determination And Service Manual page 235

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, System x3350 Type 4192 and 4193 server," on page 45 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/error log message
+3.3v critical under voltage fault
VRD Power Good Fault
Fan n Fault
n = the fan number
Hard Drive n Fault
n = the hard disk drive number
Hard drive n removal detected.
n = the hard disk drive number
Power supply n removed
n = the power supply number
Power supply n fault
n = the power supply number
Power supply n AC power removed
n = the power supply number
Action
1. Remove all PCI adapters.
2. Reinstall each PCI adapter, one at a time, restarting the server
each time, to isolate a defective adapter. Replace any defective
adapter.
3. (Ttrained service technician only) Replace the system board.
1. (Trained service technician only) Reseat the microprocessor.
2. (Trained service technician only) Replace the microprocessor.
3. (Trained service technician only) Replace the system board.
1. Make sure that the connector on the fan is not damaged.
2. Make sure that the fan connector on the system board is not
damaged.
3. Make sure that the fan is fully installed (press down on the
fan).
4. Reseat fan n.
5. Replace fan n.
1. Reseat hard disk drive n.
2. Replace hard disk drive n.
Reseat hard disk drive n.
1. Reseat power supply n.
2. Replace power supply n.
3. Replace the power backplane.
1. If the server power-on LED is lit, complete the following steps:
a. Reduce the server to the minimum configuration (see
"Power-supply LEDs" on page 151).
b. Reinstall the components that you removed, one at a time,
restarting the server each time.
c. If the error recurs, replace the component that you just
reinstalled.
2. Reseat the following components:
a. Power supply n
b. Power backplane
3. Replace the components listed in step 2, one at a time, in the
order shown, restarting the server each time.
1. Make sure that the power cords are correctly connected to the
server and to a working electrical outlet.
2. Replace the power supply n.
3. Replace the power backplane.
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Chapter 5. Diagnostics