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Step 5
Starting at the top of the following table, find your symptom and follow the
instructions given in the Action column.
Symptom Action
The power LED does not come on, or comes on
and does not stay on.
Check the power cable to the outlet. Check the
circuit breakers and check for power at the
outlet.
Assure the room temperature is within 60 -
90°F.
If you do not find a problem, record error code
M0PS0000 and report the problem to the
service organization.
The system appears to be stopped and NO
beep was heard from the system unit.
Processor POST failure. Report error code
M0CPU000.
The system appears to be stopped and NO
beep was heard from the system unit. E122,
E123, or E124 is displayed on the operator
panel display.
No good memory could be found. Report error
code M0MEM000.
The system appears to be stopped a beep WAS
heard from the system unit.
No good memory could be found. Report error
code M0MEM001.
The diagnostics are loaded and there was NO
beep heard from the system unit during the IPL
sequence.
Record error code M0SPK001.
The system stops with the Diagnostic Operating
Instructions displayed.
Go to “Step 6.”
The diskette LED is blinking rapidly, or E1EA or
E1EB is displayed on the operator panel.
The flash EPROM data is corrupted. The
recovery procedure for the flash EPROM should
be executed.
The system stops with a prompt to enter a
password.
Enter the password. You are not be allowed to
continue until a correct password has been
entered. When you have entered a valid
password, wait for one of the other conditions to
occur.
The system stops with an eight-digit error
code(s) displayed on the console.
Record the error code(s) and report the problem
to the service organization.
The system login prompt is displayed. You may not have pressed the correct key or
you may not have pressed the key soon enough
when you were to indicate a Service Mode boot
of diagnostic programs. If this was the case,
start over at the beginning of this step.
If you are sure you pressed the correct key in a
timely manner go to Step 7.
9-12 IBM RS/6000 7025 F50 Series User's Guide