7
-8
External error detected for Com-
munications Card other than SI-K2
Continuing operation was specified
for EF0 (F6-03 = 3) and an external
fault was input from the Option Card.
-
Remove the cause of the external fault.
(blink-
ing)
External fault (Input terminal S3)
An external fault was input from a
multi-function input terminal (S3 to
S7).
• Reset external fault inputs to the
multi-function inputs.
• Remove the cause of the external
fault.
(blink-
ing)
External fault (Input terminal S4)
(blink-
ing)
External fault (Input terminal S5)
(blink-
ing)
External fault (Input terminal S6)
(blink-
ing)
External fault (Input terminal S7)
(blink-
ing)
PI Feedback Reference Lost
A PI feedback reference loss was
detected (b5-12 = 2) and the PI feed-
back input was less than b5-13 (PI
feedback loss detection level) for
longer than the time set in b5-14 (PI
feedback loss detection time).
-
-
(blink-
ing)
RS-422A/485 Communications
Error
Normal reception was not possible for
2 s or longer after received control
data.
-
Check the communication devices and
signals.
(blink-
ing)
Option Card Communication Error
A communication error occurred in a
mode where the run command or a
frequency reference is set from a
Communications Option Card.
-
Check the communication devices and
signals.
(blink-
ing)
Communications on Standby
Control data was not normally
received when power was turned ON.
-
Check the communication devices and
signals.
Table 7.2 Alarm Displays and Processing (Continued)
Display
Meaning
Probable causes
Corrective Actions
