IBM B50 - Manual (Page 160)

Step 7
Find your symptom in the following table, and follow the instructions given in the
Action column.
Step 8
The following steps analyze a console display problem.
Find your type of console display in the following table, and follow the instructions
given in the Action column.
Symptom Action
The system stops with the Diagnostic
Operating Instructions display with an
obvious display problem. Go to “Step 8.”
All other symptoms. Go to “Problem Determination When
Unable to Load Diagnostics” on page 8-11
Console Display Action
Display Device Go to the display documentation for
problem determination.
ASCII terminal Go to the documentation for problem
determination for this type of terminal.
8-4 7046 Model B50 User's Guide