YASKAWA F7 User Manual page 128

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Digital
Operator Display
CPF05
External A/D Converter Fault
External A/D Err
CPF06
Option Board 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
Option Card Fault
Option A/D Error
CPF21
Self-diagnosis Fault of Option Board
Option CPU Down
CPF22
Option Board Code Number Fault
Option Type Err
CPF23
Option Board Interconnection Fault
Option DPRAM Err
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Table 6.1 Fault Displays and Processing (continued)
Description
Diagnostics & Troubleshooting 6 - 3
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Cause
Noise or spike was on the
control circuit input terminals.
The option board was not
connected properly.
The Drive or option board was
damaged.
Control circuit failure/damage. Cycle power to the Drive.
Control circuit damage.
Control circuit failure/damage. Cycle power to the Drive.
Control circuit damage.
Control circuit failure/damage. Cycle power to the Drive.
Control circuit damage.
Control circuit damage.
Option board input fault.
Option card A/D convert fault.
Noise or spike was on the
communication line and/or
defective option board.
Unrecognizable option board
was connected to the control
board.
An option board was not
correctly connected to the
control board, or an option
board that was not made for
the Drive was attached to the
control board.
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Corrective Action
Perform a factory initialization.
Cycle power to the Drive.
Replace the control board.
Turn off the power and reinstall
the option board.
Replace the option board or the
Drive.
Replace the Drive.
Replace the Drive.
Replace the Drive.
Replace the Drive.
Remove all inputs to the option
board.
Perform a factory initialization.
Cycle power to the Drive.
Replace the option board.
Replace the control board.
Perform a factory initialization.
Cycle power to the Drive.
Replace the option board.
Replace the control board.
Remove any option boards.
Cycle power to the Drive.
Perform a factory initialization.
Replace the option board.
Replace the control board.
Remove power to the Drive.
Reconnect the option board.
Perform a factory initialization.
Cycle power to the Drive.
Replace the option board.
Replace the control board.