YASKAWA A1000 Series User Manual

Digital Operator Display Fault Name
CPF13
Watchdog Circuit Exception
Self-diagnostics problem.
Digital Operator Display Fault Name
CPF14
Control Circuit Fault
CPU error (CPU operates incorrectly due to interference, etc.)
Digital Operator Display Fault Name
CPF16
Clock Fault
Standard clock error.
Digital Operator Display Fault Name
CPF17
Timing Fault
A timing error occurred during an internal process.
Digital Operator Display Fault Name
CPF18
Control Circuit Fault
CPU error. Non-Maskable Interrupt (An unusual interrupt was triggered by interference, etc.)
Digital Operator Display Fault Name
CPF19
Control Circuit Fault
CPU error (Manual reset due to interference, etc.)
Digital Operator Display Fault Name
or
CPF20 or CPF21 Control Circuit Error
Cause Possible Solution
Hardware is damaged
• Cycle power to the drive.
• If
the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
Digital Operator Display Fault Name
CPF22 Hybrid IC Failure
Cause Possible Solution
Hybrid IC failure on the power board
• Cycle power to the drive.
•
If the problem continues, replace the power board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the power board.
Digital Operator Display Fault Name
CPF23
Control Board Connection Error
Connection error between the control board and the drive
Cause Possible Solution
Hardware is damaged
• Turn off the power and check the connection between the control board and the drive.
• If
the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
Digital Operator Display Fault Name
CPF24
Drive Unit Signal Fault
The drive capacity cannot be detected correctly (drive capacity is checked when the drive is powered up).
Cause Possible Solution
Hardware is damaged
If the problem continues, replace the control board or the entire drive. Contact Yaskawa or a Yaskawa
representative for instructions on replacing the control board.
Digital Operator Display Fault Name
CPF25 Terminal Board Not Connected
Cause Possible Solution
Terminal board is not connected correctly Reconnect the terminal board to the connector on the drive, then cycle the power to the drive.
5.2 Fault Detection
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide
181
5
Troubleshooting

YASKAWA A1000 Series Specifications

General

Series	A1000
Type	AC Drive
Altitude	Up to 1000m without derating
Output Frequency	0-400 Hz
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Communication Options	Modbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature	-10 to 50°C
Storage Temperature	-20 to 60°C
Humidity	5% to 95% (non-condensing)
Enclosure Rating	IP20
Horsepower	0.5 to 1000 HP
Power Range	0.4 - 630 kW (varies by voltage and model)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Cooling Method	Fan Cooled
Safety	Safe Torque Off (STO)