Symptom List - IBM 3151 Manual To Operations

Solving Problems
Symptom List
Locate your error message or identify your symptom from the following list;
then go to the page indicated.
Error Messages
PROBLEM IN KEyBOARD
4-7
PROBLEM IN VIDEO ELEMENT OR KEyBOARD
.4-8
Unusual message or characters appear (such as a different language or characters
with extra or missing dots) 5-4
Audible Alarm Problems
Alarm continues to sound , 5-5
Alarm does not sound 5-7
Display Problems
Setup menu appears when powering on 5-8
Screen is blank 5-9
Reverse question marks
(~
) appear some place' on the screen 5-19
Screen appears to be rolling or moving· 5-12
Screen is waving 5-13
Highlighted characters (reversed, underlined, or blinking characters) do not
appear 5-12
(Continued on the next page)
5-2
IBM 31~1 Guide to Operations