IBM 8659-71Y Maintenance Manual - Page 53

LED Diagnostics

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LED Diagnostics: The diagnostics built into your server allow you to quickly identify the type of system error that occurred. When the System Error LED on the information LED panel is illuminated, use the following information to isolate the problem. An error message usually appears on the display monitor as well. If the System Error LED on the information LED panel on the front of the server is on, a system error was detected. Check the LEDs on the power supplies and at any Ethernet adapters, then open the cover and check to see which of the LEDs on the system board inside the server are on. (See "System Board LEDs" on page 142 for the location of the LEDs.) System Board LED Service Processor Error LED on NMI LED on SMI LED on PCI 1 LED on PCI 2 LED on Description An error has occurred in the service processor. Actions: 1. Try a reset by turning of the system, jumper/short J39, and turn on the system. 2. Replace the system board. A non-maskable interrupt occurred. The PCI 1 or PCI 2 LED will probably also be on. Actions: 1. If the PCI 1 or PCI 2 LED is on, follow the instructions for those LEDs. 2. If the PCI 1 or PCI 2 LED is not on, restart the server. If the problem persists (the NMI LED stays on), go to "General Checkout" on page 5. A system-management interrupt occurred. This is an indication of service processor activity, and is not an error. Actions: No action is required. An error occurred on PCI bus 0. An adapter in PCI slot 5 or the system board caused the error. Actions: Check the error log for additional information. If the error log indicates a problem with the integrated Ethernet controller, replace the system board. An error occurred on PCI Bus 1. An adapter in PCI slot 1, 2, 3, or 4 or the system board caused the error. Actions: 1. Check the error log for additional information. 2. If you cannot correct the problem from the information in the error log, try to determine the failing adapter by removing one adapter at a time from the secondary PCI bus (PCI slots 1-4) and restarting the server after each adapter is removed. Netfinity 5000 - Type 8659 45

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LED Diagnostics:
The diagnostics built into your
server allow you to quickly identify the type of system error
that occurred.
When the System Error LED on the
information LED panel is illuminated, use the following
information to isolate the problem.
An error message
usually appears on the display monitor as well.
±
If the System Error LED on the information LED panel
on the front of the server is on, a system error was
detected.
Check the LEDs on the power supplies and
at any Ethernet adapters, then open the cover and
check to see which of the LEDs on the system board
inside the server are on.
(See “System Board LEDs”
on page
142 for the location of the LEDs.)
System Board LED
Description
Service Processor
Error LED on
An error has occurred in the service
processor.
Actions:
1.
Try a reset by turning of the
system, jumper/short J39, and
turn on the system.
2.
Replace the system board.
NMI LED on
A non-maskable interrupt occurred.
The PCI
1 or PCI 2 LED will probably also be on.
Actions:
1.
If the PCI 1 or PCI 2 LED is on,
follow the instructions for those
LEDs.
2.
If the PCI 1 or PCI 2 LED is not
on, restart the server.
If the
problem persists (the NMI LED
stays on), go to “General
Checkout” on page
5.
SMI LED on
A system-management interrupt occurred.
This is an indication of service processor
activity, and is not an error.
Actions:
No action is required.
PCI 1 LED on
An error occurred on PCI bus 0.
An adapter
in PCI slot 5 or the system board caused the
error.
Actions:
Check the error log for additional
information.
If the error log indicates
a problem with the integrated
Ethernet controller, replace the
system board.
PCI 2 LED on
An error occurred on PCI Bus 1.
An adapter
in PCI slot 1, 2, 3, or 4 or the system board
caused the error.
Actions:
1.
Check the error log for
additional information.
2.
If you cannot correct the
problem from the information in
the error log, try to determine
the failing adapter by removing
one adapter at a time from the
secondary PCI bus (PCI slots
1–4) and restarting the server
after each adapter is removed.
Netfinity 5000 - Type 8659
45