IBM R30 Operator's Manual page 207

7. Starting at the top of the following table, find your symptom; then perform the specific
action.
Symptom
The system stops with a blank operator panel
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 system stops with a blank operator display and
the MAINTENANCE MENU is displayed.
The system stops with a blank operator panel
display, and the words DIAGNOSTIC OPERATING
INSTRUCTIONS are not displayed correctly.
The system stops with 260, 261, or 262 displayed
in the operator panel display.
The system stops with a steady (not flashing)
number displayed in the operator panel display, and
the power-on light is on.
The system stops with 888 flashing in the operator
panel display.
The system stops with two or more numbers
between 221 and 296 alternating in the operator
panel display.
Step 19
(From Steps 12, 13)
The diagnostics did not find a hardware problem. If you still have a problem, contact your
software support center. If you are attached to another system, refer to General Information
About Multiple Systems on page 2-1 and check your configuration before calling the
software support center.
Step 20
(From Steps 6, 18)
When the c31 halt was present, were the instructions to select a console display
readable with no obvious problems with the display?
NO
YES
Go to Step 9.
Go to Step 11.
Action
Go to Step 10.
Select System boot, then Boot
From List, and continue with this
step.
Go to Step 9.
Record and report SRN
111–101.
STOP. You have completed
these procedures.
The number must be other than
c07 or c31. See previous
substep 4 for these numbers.
Go to Step 7.
Go to Step 8.
Record and report SRN
111–101.
STOP. You have completed
these procedures.
Hardware Problem Determination
11-13