Omron VARISPEED F7

7-8
7
CPF04
Internal A/D Err
CPU Internal A/D Converter
Fault
Noise or spike was on the control
circuit input terminals or the con-
trol board is damaged.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter.
Replace the Inverter.
CPF05
External A/D Err
CPU External A/D Converter
Fault
Noise or spike was on the control
circuit input terminals or the con-
trol board is damaged.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter.
Replace the Inverter.
CPF06
Option Error
Option Card Connection Fault
The Option Card is not connected
properly.
Turn off the power and re-
install the Option Card again.
The Inverter or Option Card is
damaged
Replace the Option Card or
the Inverter.
CPF07
RAM-Err
ASIC Internal RAM fault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF08
WAT- E rr
Watchdog Timer Fault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF09
CPU-Err
CPU-ASIC Mutual
Diagnosis Fault
-
Cycle the power to the
Inverter
The control circuit is damaged. Replace the Inverter.
CPF10
ASIC-Err
ASIC version fault The control circuit is damaged. Replace the Inverter.
CPF20
Option A/D Error
Communication Option Card A/D
Converter Fault
Option board connection is not
correct.
Turn off the power and re-
install the option board again
Remove all inputs to the
option board
Option card A/D converter is
faulty.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter
Replace the option board
Replace the inverter
CPF21
Option CPU Down
Self-diagnosis Fault of
Option Board
Noise or spike was on the com-
munication line and/or defective
option board.
Perform an initialization to
factory defaults.
Cycle the power to the
Inverter
Replace the option board
Replace the Inverter
CPF22
Option Type Err
Option Board Code Number Fault
Unrecognizable option board is
connected to the control board.
Remove any option boards
Perform an initialization to
factory defaults
Cycle the power to the
Inverter
Replace the option board
Replace the Inverter
Table 7.1 Fault Detection
Display Meaning Probable Causes Corrective Actions