10
(blink-
ing)
Ext
Fault
S3
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)
Ext
Fault
S4
External fault (Input terminal S4)
(blink-
ing)
Ext
Fault
S5
External fault (Input terminal S5)
(blink-
ing)
Ext
Fault
S6
External fault (Input terminal S6)
(blink-
ing)
Ext
Fault
S7
External fault (Input terminal S7)
(blink-
ing)
Feed-
back
Loss
PID Feedback Reference Lost
A
PID
feedback
reference
loss
was
detected
(b5-12
=
2)
and
the
PID
feed-
back
input
was
less
than
b5-13
(PID
feedback
loss
detection
level)
for
longer
than
the
time
set
in
b5-14
(PID
feedback
loss
detection
time).
--
(blink-
ing)
Memo-
bus
Com
Err
RS-422A/485 Communications
Error
Normal
reception
was
not
possible
for
2
s
or
longer
after
received
control
data.
-
Check
the
communications
devices
and
signals.
(blink-
ing)
Option
Com
Err
Option Card Communications
Error
A
communications
error
occurred
in
a
mode
where
the
run
command
or
a
frequency
reference
is
set
from
an
Communications
Option
Card.
-
Check
the
communications
devices
and
signals.
(blink-
ing)
ComCall
Communications on Standby
Control
data
was
not
normally
received
when
power
was
turned
ON.
-
Check
the
communications
devices
and
signals.
Table 7.2 Alarm Displays and Processing (Continued)
Display Meaning Probable causes Corrective Actions