Omron VARISPEED G7 Instruction Manual page 356

Display Meaning
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
CPF04
Internal CPU internal A/D converter error
A/D Err
CPF05
External CPU internal A/D converter error
A/D Err
CPF06
Option Option Card connection error
error
Table 7.1 Fault Displays and Processing (Continued)
Probable Causes
Digital Operator connection is faulty.
Inverter control circuit is faulty.
The Digital Operator's connector isn't
connected properly.
The Inverter's control circuits are
faulty.
The control circuits were destroyed.
The Digital Operator isn't connected
properly.
The Inverter's control circuits are
faulty.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The Option Card is not connected
properly.
The Inverter or Option Card is faulty.
Protective and Diagnostic Functions
Corrective Actions
Check the communications
devices and communications sig-
-
nals.
Check the communications sig-
-
nals.
Disconnect and then reconnect the
Digital Operator.
Replace the Inverter.
Disconnect the Digital Operator
and then connect it again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Disconnect the Digital Operator
and then connect it again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Turn off the power and insert the
Card again.
Replace the Option Card or the
Inverter.
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