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Display
Meaning
EF3
(blinking)
External fault (Input terminal S3)
Ext Fault
S3
EF4
(blinking)
External fault (Input terminal S4)
Ext Fault
S4
EF5
(blinking)
External fault (Input terminal S5)
Ext Fault
S5
EF6
(blinking)
External fault (Input terminal S6)
Ext Fault
S6
EF7
(blinking)
External fault (Input terminal S7)
Ext Fault
S7
EF8
(blinking)
External fault (Input terminal S8)
Ext Fault
S8
EF9
(blinking)
External fault (Input terminal S9)
Ext Fault
S9
EF10
(blinking)
External fault (Input terminal S10)
Ext Fault
S10
EF11
(blinking)
External fault (Input terminal S11)
Ext Fault
S11
EF12
(blinking)
External fault (Input terminal S12)
Ext Fault
S12
PID Feedback Reference Lost
A PID feedback reference loss was
FBL
detected (b5-12 = 2) and the PID feed-
(blinking)
Feed-
back input was less than b5-13 (PID
back
feedback loss detection level) for
Loss
longer than the time set in b5-14 (PID
feedback loss detection time).
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Table 7.2 Alarm Displays and Processing (Continued)
Probable causes
An external fault was input from a
multi-function input terminal (S3 to
S12).
Protective and Diagnostic Functions
Corrective Actions
• Reset external fault inputs to the
multi-function inputs.
• Remove the cause of the external
fault.
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Troubleshooting
