Symptom Action
All display problems.
1. If using a graphics display:
a. Go to the problem determination procedures for
the display.
b. If you do not find a problem, replace the display
adapter.
c. If you do not find a problem, suspect the I/O
planar. Go to “MAP 1540: Minimum Configuration”
on page 110.
2.
If using an ASCII terminal:
a. Make sure that the ASCII terminal is connected to
S1.
b. If problems persist, go to the problem
determination procedures for the terminal.
c. If you do not find a problem, suspect the I/O
planar. Go to “MAP 1540: Minimum Configuration”
on page 110.
Power and Cooling Problems
You cannot power on the system. Go to “MAP 1520: Power” on page 83.
The power on/off LED on an I/O drawer operator panel
does not come on or stay on. (Both the I/O drawer
operator panel power-on/off LED and the I/O drawer
power supply LEDs do not come on or stay on.)
Go to “MAP 1520: Power” on page 83.
A rack or a rack mounted unit will not power on. Go to “MAP 1520: Power” on page 83.
You have a power problem. Go to “MAP 1520: Power” on page 83.
The system attention LED on the primary I/O drawer
operator panel is on and there is no SRN displayed.
Go to “MAP 1520: Power” on page 83.
888 sequence in Operator Panel Display
A flashing 888 is displayed in the primary I/O drawer
operator panel display.
Go to the ″Fast Path MAP″ in the RS/6000 and Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
Other Symptoms or Problems
The operator panel displays OK. Fans and blowers are
off.
The service processor (SP) is ready. The system is
waiting for power on.
All of the system POST indicators are displayed on the
system console, the system pauses and then restarts.
POST indicators refers to the device mnemonics (words
memory, keyboard, network, scsi, and speaker) that
appear on the system console during the power-on
self-test (POST).
Go to “Boot Problems and Concerns” on page 155.
The system stops and all of the POST indicators are
displayed on the system console. POST indicators refers
to the device mnemonics (words memory, keyboard,
network, scsi, and speaker) that appear on the system
console during the power-on self-test (POST).
Go to “MAP 1540: Minimum Configuration” on page 110
to isolate the problem.
The system stops and the message STARTING SOFTWARE
PLEASE WAIT... is displayed on the system console.
Go to Chapter 4, “Checkpoints,” on page 135.
Chapter 3. Maintenance Analysis Procedures 75
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