Specifications

Symptom Action
All display problems.
v If using a graphics display:
1. Go to the problem determination
procedures for the display.
2. If you do not find a problem, replace the
display adapter.
3. If you do not find a problem, suspect the
system board. Go to “MAP 1540:
Minimum Configuration” on page 52.
v If using an ASCII terminal:
1. Make sure that the ASCII terminal is
connected to S1.
2. If problems persist, go to the problem
determination procedures for the
terminal.
3. If you do not find a problem, replace the
service processor card.
4. If you do not find a problem, suspect the
system board. Go to “MAP 1540:
Minimum Configuration” on page 52.
Power and Cooling Problems
The power LEDs on the operator panel and the
power supply do not start flashing within 30
seconds of AC power application.
Go to “MAP 1520: Power” on page 48.
The power LEDs on the operator panel and the
power supply do not come on or stay on.
Go to “MAP 1520: Power” on page 48.
The power LEDs on the operator panel and the
power supply come on and stay on but the
system does not power on.
Go to “MAP 1520: Power” on page 48.
The cooling fan(s) do not come on or come on
but do not stay on.
Go to “MAP 1520: Power” on page 48.
Flashing 888 in Operator Panel Display
888 is displayed in the operator panel. Go to the
Fast Path MAP in Diagnostic
Information for Multiple Bus Systems
.
Other Symptoms or Problems
You have OK displayed. The service processor is ready. Go to
MAP
0020: Problem Determination Procedure
in
Diagnostic Information for Multiple Bus
Systems
.
You have STBY displayed. The service processor is ready. The system
was shut down by the operating system and is
still powered on. This condition can be
requested by a privileged system user with no
faults. See the service processor error log for
possible operating system fault indications.
Chapter 3. Maintenance Analysis Procedures
41