YASKAWA P7 User Manual page 147

Digital
Operator Display
CPF04
CPU Internal A/D Converter Fault
Internal A/D Err
CPF05
CPU External A/D Converter Fault
External A/D Err
CPF07
ASIC Internal RAM Fault
RAM-Err
(RAM)
CPF08
Watchdog Timer Fault
WAT-Err
(WAT)
CPF09
CPU-ASIC Mutual Diagnosis Fault
CPU-Err
(COY)
CPF10
ASIC Version Fault
ASIC-Err
(ASIC)
CPF20
Option Card Fault
Option A/D Error
Self-diagnosis Fault of Communication
CPF21
Option Card
Option CPU Down
Communication Option Card Code Number
CPF22
Fault
Option Type Err
Communication Option Card
Interconnection Fault
CPF23
Option DPRAM Err
Table 6.1 Fault Displays and Processing
Description
Diagnostic & Troubleshooting 6 - 3
Cause
Noise or spike on the control
circuit input terminals
Noise or spike on the control
circuit input terminals
- - -
Control circuit damage
- - -
Control circuit damage
- - -
Control circuit damage
Control circuit damage
Option card connector connec-
tion fault
Option card A/D converter
fault
Noise or spike on the commu-
nication line, defective option
board
Unrecognizable option board
is connected to the control
board
An option board is not
correctly connected to the con-
trol board or an option board
that is not made for the Drive
is attached to the control board
Corrective Action
Perform a factory initialization
Cycle power off and on to the
Drive
Replace the control board
Perform a factory initialization
Cycle power off and on to the
Drive
Replace the control board
Cycle power off and on to the
Drive
Replace the Drive
Cycle power off and on to the
Drive
Replace the Drive
Cycle power off and on to the
Drive
Replace the Drive
Replace the Drive
Remove all inputs to the option
board
Perform a factory initialization
Cycle power off and on to the
Drive
Replace the option board
Replace the Control board
Perform a factory initialization
Cycle power off and on to the
Drive
Replace the option board
Replace the control board
Remove any option boards
Cycle power off and on to the
Drive
Perform a factory initialization
Replace the option board
Replace the control board
Remove power to the Drive
Connect the option board once
more
Perform a factory initialization
Cycle power off and on to the Drive
Replace the option board
Replace the control board