YASKAWA G7 Series Technical Manual page 390

Display
CPF04
Internal CPU internal A/D converter error
A/D Err
CPF05
External CPU internal A/D converter error
A/D Err
CPF06
Option Card connection error
Option
error
CPF07
ASIC internal RAM fault
RAM-Err
CPF08
Watchdog timer fault
WAT-Err
CPF09
CPU-ASIC mutual diagnosis fault
CPU-Err
CPF10
ASIC version fault
ASIC-Err
CPF20
Communications Option Card A/D
Option
converter error
A/D error
CPF21
Communications Option Card self
Option
diagnostic error
CPU down
CPF22
Communications Option Card
Option
model code error
Type Err
CPF23
Option Communications Option Card
DPRAM DPRAM error
Err
-8
7
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Table 7.1 Fault Displays and Processing (Continued)
Meaning
The control circuit is damaged.
The control circuit is damaged.
The Option Card is not connected
properly.
The Drive or Option Card is faulty.
The control circuit is damaged.
The control circuit is damaged.
The control circuit is damaged.
The Drive control circuit is faulty
The Option Card is not connected
properly.
The Option Card's A/D converter is
faulty.
Communications Option Card fault.
Probable Causes
Try turning the power supply off
-
and on again.
Replace the Drive.
Try turning the power supply off
-
and on again.
Replace the Drive.
Turn off the power and insert the
Card again.
Replace the Option Card or the
Drive.
Try turning the power supply off
-
and on again.
Replace the Drive.
Try turning the power supply off
-
and on again.
Replace the Drive.
Try turning the power supply off
-
and on again.
Replace the Drive.
Replace the Drive.
Turn off the power and insert the
Card again.
Replace the Communications
Option Card.
Replace the Option Card.
Corrective Actions