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Appendix A. Error Codes and Recovery Procedures
The display station is checked either by the host system or the built-in
self-diagnostic program during communication or when the power switch is set
to
I
(on). If errors are detected, the error codes can appear in four different
positions on the display screen, depending on the nature of the problem.
r-----l
: G :
L _____
...I
,..:.--------- --------
----..,
I
~
:
~
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ J
r----8-----:
L ____________
J
Error codes appearing in
positionsGand~are
from the host system. If an error
code appears
in~,
pressing the Help key may explain more about the error and
may give the necessary recovery action.
Error codes 90XX, L, K, LK, NV1, AD1 and AD2 appearing at
(i) on the operating
status line, are controlled by the IBM 3197 display station. Error codes L, K and
LK are used to isolate a failing element. For more details about isolation
procedures, refer to the IBM
3197 Model C Color Display Station Problem
Solving Guide,
GA18-2561.
Appendix A. Error Codes and Recovery Procedures
A-1
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