YASKAWA Varispeed G7 Series Instruction Manual page 437

Display
External Fault Detected for Com-
munications Board Other Than
EF0
SI-K2
(blinking)
Opt Exter-
Continuing operation was specified
nal Flt for EF0 (F6-03 = 3)and an external
fault was input from the option board.
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)
back input was less than b5-13 (PID
Feedback
feedback loss detection level) for lon-
Loss
ger than the time set in b5-14 (PID
feedback loss detection time).
-18
7
Table 7.3 Alarm Displays and Processing (Continued)
Meaning
An external fault was input from a
multi-function input terminal (S3 to
S7).
The settings in b5-13 and b5-14 aren't
appropriate.
The wiring of the PID feedback cir-
cuit is incorrect.
Probable causes
Remove the cause of the external
–
fault.
• Reset external fault inputs to the
• Remove the cause of the external
Check the settings in b5-13 and b5-
14.
Fix the wiring.
Corrective Actions
multi-function inputs.
fault.