IBM 7380E1U Installation And User Manual page 46

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the Problem Determination and Service Guide on the IBM Documentation CD 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.
Lit light path
diagnostics LED with
the system-error or
information LED also
lit Description
System-event log A system event log occurred.
(LOG)
Temperature The system temperature has
exceeded a threshold level.
System board (BRD) An error occurred on the system
board.
PCI bus A PCI adapter has failed.
Fan A fan has failed or is operating too
slowly.
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IBM System x3500 M3 Type 7380: Installation and User's Guide
Action
View the contents of the system-event log (see the
Problem Determination and Service Guide.)
1. See the system-error log (see the Problem
Determination and Service Guide on the IBM
Documentation CD) for the source of the fault.
2. Make sure that the airflow in the server is not
blocked.
3. Make sure that the room is neither too hot or too
cold (room temperature) (see "Environment" in
"Features and specifications" on page 6).
1. Check the LEDs on the system board to identify
the component that is causing the error. The BRD
LED can be lit for the following conditions:
v Battery failure
v Voltage regulator failure
2. Check the system-event log for information about
the error.
3. Replace any failed or missing replaceable
components, such as the battery.
4. (Trained service technician only) If the voltage
regulator has failed, replace the system board.
1. See the system-error log (see the Problem
Determination and Service Guide on the IBM
Documentation CD).
2. Check the LEDs on the PCI slots to identify the
component that is causing the error and reseat the
failing adapter.
3. Replace the following components one at a time,
in the order shown, restarting the server each time:
a. Failing adapter
b. (Trained service technician only) System board
1. Reinstall the removed fan.
2. If an individual fan LED is lit, replace the fan.
3. (Trained service technician only) Replace the
system board.