YASKAWA CIMR-G7U Technical Manual page 389

Display Meaning
Digital Operator Connection Fault
OPR The connection to the Digital Operator
Oper Dis- was broken during operation for a
connect RUN command from the Digital
Operator.
MODBUS Communications Error
CE
A normal reception was not possible
Modbus
for 2 s or longer after control data was
Com Err
received once.
Option Communications Error
BUS A communications error was detected
Option during a run command or while setting
Com Err a frequency reference from a Commu-
nications Option Card.
SI-F/G Communications Error
Detected
E-15 A communications error was detected
SI-F/G when a run command or frequency
Com Err reference was set from an Option Card
and continuous operation was set for
the E-15 operation selection.
E-10
SI-F/G Option Card CPU Failure
SI-F/G
SI-F/G Option Card operation failed.
CPU down
Digital Operator Communications
Error 1
Communications with the Digital
Operator were not established within 5
seconds after the power was turned
CPF00
on.
CPF
CPU External RAM Fault
Digital Operator Communications
Error 2
CPF01 After communications were estab-
CPF01 lished, there was a communications
error with the Digital Operator for
more than 2 seconds.
CPF02
BB Circuit Baseblock circuit error
Err
CPF03
EEPROM EEPROM error
Error
Table 7.1 Fault Displays and Processing (Continued)
Probable Causes
Digital Operator connection is faulty.
Drive control circuit is faulty.
The Digital Operator's connector isn't
connected properly.
The Drive's control circuits are faulty. Replace the Drive.
The control circuits were destroyed.
The Digital Operator isn't connected
properly.
The Drive's control circuits are faulty. Replace the Drive.
The control circuit is damaged.
The control circuit is damaged.
Protective and Diagnostic Functions
Corrective Actions
Check the connection to the Digi-
-
tal Operator.
Check the communications
devices and communications sig-
-
nals.
Check the communications
devices and communications sig-
-
nals.
Check the communications sig-
-
nals.
Disconnect and then reconnect the
Digital Operator.
Replace the Drive.
Disconnect the Digital Operator
and then connect it again.
Try turning the power supply off
-
and on again.
Replace the Drive.
Disconnect the Digital Operator
and then connect it again.
Try turning the power supply off
-
and on again.
Replace the Drive.
Try turning the power supply off
-
and on again.
Replace the Drive.
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