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Note: See Chapter 8, "Parts listing, Type 8870," on page 249 to determine which components are replaceable
by the customer, and which components should be replaced by an IBM field service technician.
AC
DC
Front
good
good
power on
LED
LED
light
On
On
Blinking
On
On
Off
On
On
On
Power good
indicators
(center plane) Description
Off
Standby power
problem
Off
Power/reset card
problem
On
Power is OK.
FRU/action
1. View service processor error logs
through serial connection of remote
supervisor adapter.
2. Force power-on (see "Force power-on" on
page 160) to eliminate suspect power/reset
card.
3. Isolate with single SMP Expansion Module.
4. Disconnect the following items from the
center plane in order to isolate the failing
FRU:
v Center plane light path cable and SCSI
power cable (J8, J9)
v PCI adapters
v Fans 1 and 2
v I/O board cable attachments (J1, J2, J3,
J8) (see "I/O board internal connectors"
on page 166)
5. If no LEDs are lit after step 4, replace the
following:
a. Center plane VRM
b. Center plane
c. PCI-X board and VRM
d. I/O board and VRM
e. Remote Supervisor Adapter
1. Power/reset card (front panel) and cable
2. I/O board
N/A
Chapter 7. Symptom-to-FRU index
241
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Table of Contents
Troubleshooting
