6-4
Operator Guide
6. Starting at the top of the following table, find your symptom and follow the instructions
given in the Action column.
Symptom
Action
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).
Go to Step 10.
The power-on light 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.
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 system stops with a steady (not
flashing) number displayed in the 3-digit
display, and the power-on light is on.
The number must be other than
c31
. See
substep 3 above for this number.
Go to Step 7.
The system stops with
888
flashing in the
3-digit display.
Go to Step 8.
The system stops with a blank 3-digit
display, and the words
DIAGNOSTIC
OPERATING INSTRUCTIONS
are
not
displayed correctly.
Go to Step 9.
The 3-digit display is blank and the normal
system log-in screen is displayed.
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.
The system stops with two or more
numbers between
221
and
296
alternating
in the 3-digit display.
Go to Step 16.