IBM x3550 Problem Determination And Service Manual page 180

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, Type 7978 and 1913 server," on page 29 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
Fan n Failure
n = the fan number
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
Power supply n fan fault
n = the power supply number
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IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide
Action
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. 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, perform the following steps:
a. Reduce the server to the minimum configuration (see
"Power-supply LEDs" on page 140).
b. Reinstall the components you removed, one at a time,
restarting the server each time.
c. If the error reoccurs, the component you just reinstalled is
defective; replace the defective component.
2. Reseat the following components:
a. Power supply n
b. (Trained service technician only) 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. (Trained service technician only) replace the power supply n.
3. (Trained service technician only) replace the power backplane.
1. Make sure that there are no obstructions, such as bundled
cables, to the airflow on the power-supply fan.
2. Replace power supply n.