7
-14
BUS
(blinking)
Option
Com Err
Option Board Communications
Error
A communications error occurred in a
mode where the Run Command or a
frequency reference is set from an
Communications Option Board.
-
Check the communications devices
and signals.
CALL
(blinking)
Com
Call
Communications on Standby
Control data was not normally
received when power was turned ON.
-
Check the communications devices
and signals.
E-15
(blinking)
SI-F/G
Com Err
SI-F/G Communications Error
Detected
A communications error was detected
when a Run Command or frequency
reference was set from an option
board and continuous operation was
set for the E-15 operation selection.
-
Check the communications signals.
RUNC
(blinking)
Ext Run
Active
Reset during Run Command Input
Error
The reset signal was input during Run
Command input from an external ter-
minal or other source.
-
Check that a Run Command is not
being input from an external terminal
or other source.
Table 7.2 Alarm Displays and Processing (Continued)
Display
Meaning
Probable causes
Corrective Actions