IBM x3755 Installation Guide - Page 69

the system-error LED

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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 parts listing in the Problem Determination and Service Guide 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 LED also lit Description Action RAID A RAID controller error has occurred. 1. See the BMC log or the system-error log for the source of the fault. 2. If an optional RAID controller is installed, see the documentation that comes with the RAID controller. 3. Reseat the following components: a. Optional RAID controller b. Hard disk drives 4. Replace the components in step 3 one at a time, in the order shown, restarting the server each time. FAN A fan has failed or has been 1. Reinstall the removed fan. removed. Note: A failing fan can also cause 2. If an individual fan LED is lit, replace the fan. the TEMP LED to be lit. TEMP A system temperature or component 1. See the BMC log or the system-error log for the has exceeded specifications. source of the fault. Note: A fan LED might also be lit. 2. Make sure that the airflow in the server is not blocked. 3. If a fan LED is lit, reseat the fan. 4. Replace the fan for which the LED is lit. 5. Make sure that the room is neither too hot nor too cold (see "Environment" in "Features and specifications" on page 4). 6. If one of the microprocessors indicates "hot," remove ac power before restoring dc power. BRD An error has occurred on the I/O board. 1. See the BMC log or the system-error log for the source of the fault. 2. Check the LEDs on the I/O board to identify the component that is causing the error. 3. (Trained service technician only) Replace the I/O board. PCI A PCI adapter has failed. 1. See the BMC log or the system-error log for the Note: The error LED next to one or source of the fault. more adapters might also be lit. Note: The BMC log or system-error log might point to more than one adapter as the source of the fault. 2. Reseat the failing adapter. 3. Replace the failing adapter. 4. Repeat step 2 and step 3 for each failing adapter. Chapter 6. Solving problems 57

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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 parts listing in the
Problem Determination and Service Guide
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 LED
also lit
Description
Action
RAID
A RAID controller error has
occurred.
1.
See the BMC log or the system-error log for the
source of the fault.
2.
If an optional RAID controller is installed, see the
documentation that comes with the RAID
controller.
3.
Reseat the following components:
a.
Optional RAID controller
b.
Hard disk drives
4.
Replace the components in step 3 one at a time,
in the order shown, restarting the server each time.
FAN
A fan has failed or has been
removed.
Note:
A failing fan can also cause
the TEMP LED to be lit.
1.
Reinstall the removed fan.
2.
If an individual fan LED is lit, replace the fan.
TEMP
A system temperature or component
has exceeded specifications.
Note:
A fan LED might also be lit.
1.
See the BMC log or the system-error log for the
source of the fault.
2.
Make sure that the airflow in the server is not
blocked.
3.
If a fan LED is lit, reseat the fan.
4.
Replace the fan for which the LED is lit.
5.
Make sure that the room is neither too hot nor too
cold (see “Environment” in “Features and
specifications” on page 4).
6.
If one of the microprocessors indicates “hot,”
remove ac power before restoring dc power.
BRD
An error has occurred on the I/O
board.
1.
See the BMC log or the system-error log for the
source of the fault.
2.
Check the LEDs on the I/O board to identify the
component that is causing the error.
3.
(Trained service technician only) Replace the I/O
board.
PCI
A PCI adapter has failed.
Note:
The error LED next to one or
more adapters might also be lit.
1.
See the BMC log or the system-error log for the
source of the fault.
Note:
The BMC log or system-error log might
point to more than one adapter as the source of
the fault.
2.
Reseat the failing adapter.
3.
Replace the failing adapter.
4.
Repeat step 2 and step 3 for each failing adapter.
Chapter 6. Solving problems
57