IBM R/S6000 7012 300 Series Operator's Manual page 99

6. Starting at the top of the following table, find your symptom and follow the instructions
given in the Action column.
Symptom
The system stops with a blank 3-digit
display and the words DIAGNOSTIC
OPERATING INSTRUCTIONS are
displayed with no obvious problem on the
console display (for example, it is not
distorted or blurred).
The power-on light does not come on or
comes on and does not stay on.
The system stops with a steady (not
flashing) number displayed in the 3-digit
display, and the power-on light is on.
The system stops with 888 flashing in the
3-digit display.
The system stops with a blank 3-digit
display, and the words DIAGNOSTIC
OPERATING INSTRUCTIONS are not
displayed correctly.
The 3-digit display is blank and the normal
system log-in screen is displayed.
The system stops with two or more
numbers between 221 and 296
alternating in the 3-digit display.
6-4
Operator Guide
Action
Go to Step 10.
Check the power cable to the outlet.
Check the circuit breakers and check for
power at the outlet.
If you do not find a problem, record SRN
111–152 and report the problem to the
service organization.
STOP. You have completed these
procedures.
The number must be other than c31. See
substep 3 above for this number.
Go to Step 7.
Go to Step 8.
Go to Step 9.
Be sure the key mode switch is set to the
Service position.
If the key mode switch was not in the
Service position, stop the operating
system, set it to the Service position, and
press Reset. Then repeat this step.
If the key mode switch was in the Service
position, record and report SRN 111–102.
STOP. You have completed these
procedures.
Go to Step 16.