IBM 3174 Reference Guide

Common Problems
Common Problems When Using 3270 Terminals with ASCII Hosts
The following table lists problem symptoms, probable causes and the actions you need to take when you
encounter a problem with your 3270 terminal.
Symptom
Probable Cause Action
Extra, missing, or unintelligible
characters on the screen
Telephone line trouble (or
noise)
For switched connections, hang up and
establish a new connection. For
nonswitched connections, contact your
telephone company representative.
Host data stream configuration
error
Consult your system administrator.
ENTER not accepted
Incorrect turnaround character Consult your system administrator.
Session ends unexpectedly
Host connection lost
Consult your system administrator.
Inactivity time-out
You may have left the terminal idle too
long. Consult your system administrator
for details.
Host does not echo characters Line problems
For nonswitched connections, the 3174
does not check whether the host is
active. Return to the Connection Menu,
disconnect, and try the connection again.
No data from host Host received NO-SCROLL
(XOFF)
For VT100 data stream, use the
NO-SCROLL key sequence to resume.
For VT200 data stream, use the
Hold-Screen key sequence to resume.
For 3101 data stream, use CrtI Q to
resume.
Chapter 4. Solving Some Common Problems 4-5

IBM 3174 Specifications

General

Brand	IBM
Model	3174
Category	Controller
Language	English