IBM Netfinity 5100 8658 21Y, Manual

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Diagnostic Panel
LED FRU/Action
All LEDs off
(Check System
Error Log for error
condition, then
clear System Error
Log when the
problem is found.)
1. System Error Log is 75% full; clear
the log.
2. PFA alert; check Netfinity log for failure;
clear PFA alert; remove AC power for at
least 20 seconds, reconnect, then power
up system.
3. Run Information Panel diagnostics.
CPU LED on (The
LED next to the
failing CPU should
be on.)
1. Processor 1 or 2.
2. 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 the system board
that is turned on.
2. Processor indicated by the Processor
LED.
3. System Board.
DASD1 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. Failing drive. SCSI channel A has failed
(This is the SCSI channel for the
hot-swap hard disk drives).
3. SCSI Backplane.
DASD2 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. Failing drive. SCSI channel B has failed
(This is the channel for optional CSI
devices installed in the non-hot-swap
bays).
3. SCSI Backplane.
FAN LED on
1. Check individual fan LEDs.
2. Replace respective fan.
3. Fan Cable.
4. System Board.
5. Power Backplane Board.
MEM LED on (The
LED next to the
failing DIMM is on.)
1. System Board.
2. Failing DIMM in slot J1-J4.
NMI LED on
1. Reboot the system.
2. Check the System Error Log.
PCI A LED on
1. PCI Card in slot 5.
2. Remove all PCI adapters from slots 1-5.
3. System Board.
Symptom-to-FRU index
163