Analysis Procedures - IBM 3151 Manual To Operations

Analysis Procedures
Analysis Procedures
Perform the following procedures when you cannot match a display station
symptom with any of the ones in the symptom charts or you failed to isolate the
problem.
1. Set the power switch to 0 (Off).
2. Make sure that all required cables are connected tightly.
DANGER
Do not handle the communication cable during an electrical
storm. Communication cables can conduct lethal charges of
electricity.
If
"PROBLEM IN KEYBOARD"
appears on the screen, go to page 4-7. If
"PROBLEM IN VIDEO ELEMENT OR KEYBOARD"
appears on the screen, go to page
4-8.
If the screen is blank, go to page 5-9.
3. Set the power switch to
I
(On).
Does the alarm sound once?
Yes Go to step 4.
No
If the alarm continues to sound, go t-o "Alarm Continues to Sound" on
page 5-5; if the alarm qoes not sound, go to "Alarm Does Not Sound"
on page 5-7.
4. Observe the screen.
Does the setup menu appear on the screen?
Yes Go to "Setup Menu Appears" on page 5-8.
No
Go to step 5 on page 5-16.
Chapter 5. Solving Problems
5-15