Protective and Diagnostic Functions
7-9
EFO
选件卡外
部故障
External Fault Input from Commu-
nications Option Board
-
Check the Communications
Option Board and communica-
tions signals.
EF3
端子 S3
故障
External Fault (Input Terminal 3)
An “external fault” was input from a
multi-function input terminal.
• Reset external fault inputs to the
multi-function inputs.
• Remove the cause of the exter-
nal fault.
EF4
External Fault (Input Terminal 4)
EF5
External Fault (Input Terminal 5)
EF6
External Fault (Input Terminal 6)
EF7
External Fault (Input Terminal 7)
EF8
External Fault (Input Terminal 8)
EF9
External Fault (Input Terminal 9)
EF10
External Fault (Input Terminal 10)
EF11
External Fault (Input Terminal 11)
EF12
External Fault (Input Terminal 12)
SVE
零伺服
故障
Zero-servo Fault
The rotation position moved during
zero-servo operation.
The torque limit is too small. Increase the limit.
The load torque is too large. Reduce the load torque.
- Check for signal noise.
SER
速度搜索
故障
Exceeded Allowable Number of
Speed Search Retrials
The speed search has been retried
more than the number of times set in
b3-19 (Number of speed search retri-
als).
The settings in b3-17 and b3-18 aren’t
appropriate.
Make sure that the settings in b3-
17 and b3-18 are appropriate.
OPR
操作器连
接不良
Digital Operator Connection Fault
The connection to the Digital Operator
was broken during operation for a Run
Command from the Digital Operator.
-
Check the connection to the Digi-
tal Operator.
CE
通信故障
MEMOBUS Communications Error
A normal reception was not possible
for 2 s or longer after control data was
received once.
-
Check the communications
devices and communications sig-
nals.
BUS
选件卡通
信故障
Option Communications Error
A communications error was detected
during a Run Command or while set-
ting a frequency reference from a
Communications Option Board.
-
Check the communications
devices and communications sig-
nals.
E5
SI-T WDT
SI-T Watchdog Error
Consistency error of received control
data
Synchronization error between master
controller and Inverter for control
data.
Check the communications tim-
ing such as communications cycle.
Refer to
MECHATROLINK COM-
MUNICA
TIONS INTERFACE
CARD INSTRUCTIONS
(TOBPC730
60008) for details.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions