YASKAWA Varispeed G7 Series

Protective and Diagnostic Functions
7- 11
CPF03
EEPROM
Error
EEPROM Error
–
Try turning the power supply off
and on again.
The Inverter power supply was shut off
while writing data to the Inverter con-
stants.
Initialize the constant settings (A1-
03).
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.
The control circuit is damaged. Replace the Inverter.
• A short-circuit between +V, −V, and
AC terminals occurred.
• Overload in the control circuit termi-
nal.
• Make sure that incorrect wiring
has not been done.
• Check the resistance and wiring
for the frequency setting potenti-
ometer, etc. (Check that the cur-
rent for terminals +V and –V is
20 mA or less.)
CPF05
External
A/D Err
CPU External A/D Converter
Error
–
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
• A short-circuit between +V, −V, and
AC terminals occurred.
• Overload in the control circuit termi-
nal.
• Make sure that incorrect wiring
has not been done.
• Check the resistance and wiring
for the frequency setting potenti-
ometer, etc. (Check that the cur-
rent for terminals +V and –V is
20 mA or less.)
CPF06
Option
error
Option Board Connection Error
The option board is not connected prop-
erly.
Turn off the power and insert the
board again.
The Inverter or option board is faulty.
Replace the option board or the
Inverter.
CPF07
RAM-Err
ASIC Internal RAM Fault
–
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF08
WAT- Er r
Watchdog Timer Fault
–
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF09
CPU-Err
CPU-ASIC Mutual Diagnosis
Fault
–
Try turning the power supply off
and on again.
The control circuit is damaged. Replace the Inverter.
CPF10
ASIC-Err
ASIC Version Fault The Inverter control circuit is faulty Replace the Inverter.
CPF20
Option
A/D error
Communications Option Board
A/D Converter Error
The option board is not connected prop-
erly.
Turn off the power and insert the
board again.
The option board's A/D
converter is
faulty
.
Replace the Communications
Option Board.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions
TOE-S616-60.1.book 11 ページ ２０１７年８月４日 金曜日 午後３時４１分