Yaskawa G5HHP Drive User Manual
Page 315
9.1 Protective and Diagnostic Functions
9 - 5
Corrective Actions
Probable Causes
Meaning
Fault Display
CPF03
EEPROM Error
EEPROM error
----
Try turning the power supply off and
on again.
EEPROM Error
The control circuit is damaged.
Replace the Inverter.
CPF04
Internal A/D Err
CPU internal A/D converter error
----
Try turning the power supply off and
on again.
Internal A/D Err
The control circuit is damaged.
Replace the Inverter.
CPF05
External A/D Err
CPU external A/D converter error
----
Try turning the power supply off and
on again.
External A/D Err
The control circuit is damaged.
Replace the Inverter.
CPF06
Option Error
Option Card connection error
The Option Card is not connected
properly.
Turn off the power and insert the Card
again.
Option Error
The Inverter or Option Card is faulty.
Replace the faulty component.
CPF07
PWM time error
PWM timer error
400-V class: Detected only for
400 kW or larger Inverters.
575-V class: Detected only for
600 kW or larger Inverters.
Inverter control section is faulty.
Replace the Control Card.
CPF08
DP-RAM Bcc error
Shared RAM BCC check error
400-V class: Detected only for
400 kW or larger Inverters.
575-V class: Detected only for
600 kW or larger Inverters.
Inverter control section is faulty.
Replace the Control Card.
CPF09
DP-RAM COM error
Shared RAM mutual diagnosis er-
ror
400-V class: Detected only for
400 kW or larger Inverters.
575-V class: Detected only for
600 kW or larger Inverters.
Inverter control section is faulty.
Replace the Control Card.
CPF10
DP-RAM Write err
Shared RAM write error
400-V class: Detected only for
400 kW or larger Inverters.
575-V class: Detected only for
600 kW or larger Inverters.
Inverter control section is faulty.
Replace the Control Card.
CPF20
Option Card A/D converter error
The Option Card is not connected
properly.
Turn off the power and insert the Card
again.
Option A/D Error
The Option Card’s A/D converter is
faulty.
Replace the Option Card.
CPF21
Option CPU down
Transmission Option Card self
diagnostic error
CPF22
Option Type Err
Transmission Option Card model
code error
Option Card fault.
Replace the Option Card.
CPF23
Option DPRAM Err
Transmission Option Card DPRAM
error
9