Service Information; Diagnostic Lights - DEC VAXstation 3100 Owner's Manual

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7.13 Service Information
•i
If you followed the corrective actions listed in Chapter 6 and
Chapter 7 but you continue to have problems with your Model 48,
call your Digital service representative. Before you call:
1
Write down the serial and model nxmibers of your system.
Your service representative may need this number when you
call. Your system is identified on the back of the system unit
with a label: Model: VS42S-xx is a VAXstation 3100 Model 48
system. The numbers in place of xx identify the contents of
the system unit.
2
Make notes based on Table 6-1. This information helps your
service representative know the state of your system when the
problem occurred.
3
Be prepared to read information from the screen and to enter
commands at the keyboard while you talk to your service
representative on the telephone.
4
Eight recessed diagnostic lights on the back of the system imit
come on when you turn on the system. Write down the status
of these lights. Your service representative may ask you to
describe which lights are on. Figure 7-2 shows that lights 7,
4, 2, 1, and 0 are on.
Figure 7-2
Diagnostic Lights
h
7 6 5 4
3 2 10
MLO-002326
Running Diagnostics 7-29

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