IBM F80 Service Manual page 63

Symptom
All display problems.
The power LEDs on the operator panel and the
power supply do not start flashing within 30
seconds of AC power application.
The power LEDs on the operator panel and the
power supply do not come on or stay on.
The power LEDs on the operator panel and the
power supply come on and stay on but the
system does not power on.
The cooling fan(s) do not come on or come on
but do not stay on.
888 is displayed in the operator panel.
You have OK displayed.
You have STBY displayed.
Action
v If using a graphics display:
1. Go to the problem determination
2. If you do not find a problem, replace the
3. If you do not find a problem, suspect the
v If using an ASCII terminal:
1. Make sure that the ASCII terminal is
2. If problems persist, go to the problem
3. If you do not find a problem, replace the
4. If you do not find a problem, suspect the
Power and Cooling Problems
Go to "MAP 1520: Power" on page 53.
Go to "MAP 1520: Power" on page 53.
Go to "MAP 1520: Power" on page 53.
Go to "MAP 1520: Power" on page 53.
Flashing 888 in Operator Panel Display
Go to the Fast Path MAP in RS/6000 and
Eserver pSeries Diagnostic Information for
Multiple Bus Systems.
Other Symptoms or Problems
The service processor is ready. Go to MAP
0020: Problem Determination Procedure in
RS/6000 and Eserver pSeries Diagnostic
Information for Multiple Bus Systems.
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
procedures for the display.
display adapter.
system board. Go to "MAP 1540:
Minimum Configuration" on page 57.
connected to S1.
determination procedures for the
terminal.
service processor card.
system board. Go to "MAP 1540:
Minimum Configuration" on page 57.
45