IBM 8668 Hardware Maintenance Manual - Page 118

PCI C LED

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Diagnostic Panel LED FRU/Action PCI A LED on 1. PCI Card in slot 1. 2. Remove all PCI adapters from slots 1-5. 3. System Board. PCI B LED on 1. Card in slots 2-3. 2. Remove all PCI adapters from slots 1-5. 3. System Board. PCI C LED on 1. Card in slots 4-5. 2. Remove all PCI adapters from slots 1-5. 3. System Board. VRM LED on (The LED next to the failing VRM should be on.) 1. Voltage regulator module indicated by the VRM LED on. 2. Processor indicated by the Processor LED. DASD LED on (The LED located 1. Be sure the fans are operating correctly and the air flow is good. next to the drive bay that the failing drive is installed in will be turned on. Check amber drive LED 2. If installed, reseat I2C cable between DASD backplane and DASD I2C on planar (J9). for failing hard drive.) 3. Failing drive. SCSI channel A has failed (This is the SCSI channel for the hot-swap hard disk drives). 4. SCSI Backplane. SP LED 1. Unplug server for 30 seconds, retry 2. Reflash or update firmware for ISMP, BIOS 3. System Board PS1 LED on 1. Check the DC Good LED on power supply 1. If off, replace power supply 1. 2. Power Backplane. PS2 LED on 1. Check the DC Good LED on power supply 2. If off, replace power supply 2. 2. Power Backplane. PS3 LED on 1. Check the DC Good LED on power supply 3. If off, replace power supply 3. 2. Power Backplane. NON LED on 1. Check the PS1, PS2, and PS3 LEDs and replace any indicated power supply. 2. Install an additional power supply or remove optional devices from the server. OVER LED on 1. Install an optional additional power supply, or remove optional devices from the server. NMI LED on 1. Reboot the system. 2. Check the System Error Log. 110 Hardware Maintenance Manual: xSeries 232, Type 8668

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Diagnostic Panel LED
FRU/Action
PCI A LED on
1.
PCI Card in slot 1.
2.
Remove all PCI adapters from slots 1-5.
3.
System Board.
PCI B LED on
1.
Card in slots 2-3.
2.
Remove all PCI adapters from slots 1-5.
3.
System Board.
PCI C LED on
1.
Card in slots 4-5.
2.
Remove all PCI adapters from slots 1-5.
3.
System Board.
VRM LED on
(The LED next to
the failing VRM should be on.)
1.
Voltage regulator module indicated by the VRM LED on.
2.
Processor indicated by the Processor LED.
DASD LED on
(The LED located
next to the drive bay that the
failing drive is installed in will be
turned on. Check amber drive LED
for failing hard drive.)
1.
Be sure the fans are operating correctly and the air flow is good.
2.
If installed, reseat I2C cable between DASD backplane and DASD I2C on
planar (J9).
3.
Failing drive. SCSI channel A has failed (This is the SCSI channel for the
hot-swap hard disk drives).
4.
SCSI Backplane.
SP LED
1.
Unplug server for 30 seconds, retry
2.
Reflash or update firmware for ISMP, BIOS
3.
System Board
PS1 LED on
1.
Check the DC Good LED on power supply 1. If off, replace power
supply 1.
2.
Power Backplane.
PS2 LED on
1.
Check the DC Good LED on power supply 2. If off, replace power
supply 2.
2.
Power Backplane.
PS3 LED on
1.
Check the DC Good LED on power supply 3. If off, replace power
supply 3.
2.
Power Backplane.
NON LED on
1.
Check the PS1, PS2, and PS3 LEDs and replace any indicated power
supply.
2.
Install an additional power supply or remove optional devices from the
server.
OVER LED on
1.
Install an optional additional power supply, or remove optional devices
from the server.
NMI LED on
1.
Reboot the system.
2.
Check the System Error Log.
110
Hardware Maintenance Manual: xSeries 232, Type 8668