Yaskawa G7 Drive - Manual (Page 388)

Protective and Diagnostic Functions
7-
7
OPR
Oper Dis-
connect
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
Modbus
Com Err
MODBUS 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
Option
Com Err
Option Communications Error
A communications error was detected
during a run command or while setting
a frequency reference from a Commu-
nications Option Card.
-
Check the communications
devices and communications sig-
nals.
E-15
SI-F/G
Com Err
SI-F/G Communications Error
Detected
A communications error was detected
when a run command or frequency
reference was set from an Option Card
and continuous operation was set for
the E-15 operation selection.
-
Check the communications sig-
nals.
E-10
SI-F/G
CPU down
SI-F/G Option Card CPU Failure
SI-F/G Option Card operation failed.
Digital Operator connection is faulty.
Disconnect and then reconnect the
Digital Operator.
Drive control circuit is faulty. Replace the Drive.
CPF00
CPF
Digital Operator Communications
Error 1
Communications with the Digital
Operator were not established within 5
seconds after the power was turned
on. The Digital Operator's connector isn't
connected properly. Disconnect the Digital Operator
and then connect it again.
The Drive's control circuits are faulty. Replace the Drive.
CPU External RAM Fault
-
Try turning the power supply off
and on again.
The control circuits were destroyed. Replace the Drive.
CPF01
CPF01
Digital Operator Communications
Error 2
After communications were estab-
lished, there was a communications
error with the Digital Operator for
more than 2 seconds. The Digital Operator isn't connected
properly. Disconnect the Digital Operator
and then connect it again.
The Drive's control circuits are faulty. Replace the Drive.
CPF02
BB Circuit
Err
Baseblock circuit error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Drive.
CPF03
EEPROM
Error
EEPROM error
-
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Drive.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions