Protective and Diagnostic Functions
7-13
EF3
(blinking)
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.
EF4
(blinking)
Ext Fault
S4
External Fault (Input Terminal S4)
EF5
(blinking)
Ext Fault
S5
External Fault (Input Terminal S5)
EF6
(blinking)
Ext Fault
S6
External Fault (Input Terminal S6)
EF7
(blinking)
Ext Fault
S7
External Fault (Input Terminal S7)
EF8
(blinking)
Ext Fault
S8
External Fault (Input Terminal S8)
EF9
(blinking)
Ext Fault
S9
External Fault (Input Terminal S9)
EF10
(blinking)
Ext Fault
S10
External Fault (Input Terminal S10)
EF11
(blinking)
Ext Fault
S11
External Fault (Input Terminal S11)
EF12
(blinking)
Ext Fault
S12
External Fault (Input Terminal S12)
FBL
(blinking)
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).
--
CE
(blinking)
MEMO
BUS
Com Err
MEMOBUS Communications Error
Normal reception was not possible for
2 s or longer after received control
data.
-
Check the communications devices
and signals.
Table 7.2 Alarm Displays and Processing (Continued)
Display Meaning Probable causes Corrective Actions
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